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((short description|Doors separating rail platforms from tracks))
((Redirect|PSDs|other uses|PSDS (disambiguation)((!))PSDS))
((More citations needed|date=April 2020))
((Use dmy dates|date=October 2020))
[[File:Fuda-STA Screen-door.jpg|thumb|right|Platform screen doors at the [[Fuda Station]] in Tokyo, Japan]]
'''Platform screen doors''' ('''PSDs'''), also known as '''platform edge doors''' ('''PEDs'''), are used at some [[train]], [[rapid transit]] and [[people mover]] stations to separate the [[Railway platform|platform]] from train tracks, as well as on some [[bus rapid transit]], [[tram]] and [[light rail]] systems. Primarily used for passenger safety,<ref>((cite web |url= https://www.wise-geek.com/what-are-platform-screen-doors.htm |title= What Are Platform Screen Doors? |date= 7 February 2022 |website= wiseGEEK |access-date= 23 February 2022 |archive-date= 23 February 2022 |archive-url= https://web.archive.org/web/20220223195130/https://www.wise-geek.com/what-are-platform-screen-doors.htm |url-status= live ))</ref> they are a relatively new addition to many metro systems around the world, some having been retrofitted to established systems. They are widely used in newer [[Asia]]n and [[Europe]]an metro systems, and [[Latin America]]n bus rapid transit systems.

== History ==
[[File:Crossrail_platform_at_Farringdon.jpg|thumb|upright=1.3|Platform screen doors on the [[Elizabeth line]] at [[Farringdon station|Farringdon]] in 2019]]
[[File:Lomonosovskaya metrostaion-doors open.JPG|thumb|upright=1.3|"Horizontal lift" style doors at [[Lomonosovskaya (Saint Petersburg Metro)|Lomonosovskaya]] station on the [[Saint Petersburg Metro]], the first type of screen doors in the world]]
The idea for platform edge doors dates from as early as 1908, when Charles S. Shute of [[Boston]] was granted a patent for "Safety fence and gate for railway-platforms".<ref>((Cite patent|country=US|number=915122A|title=Safety fence and gate for railway-platforms.|status=|pubdate=|gdate=1908-05-26|invent1=Shute|inventor1-first=Charles S|url=https://patents.google.com/patent/US915122A/en)) ((Webarchive|url=https://web.archive.org/web/20210929093707/https://patents.google.com/patent/US915122A/en |date=29 September 2021 ))</ref> The invention consisted of "a fence for railway platform edges", composed of a series of pickets bolted to the platform edge, and vertically movable pickets that could retract into a platform edge when there was a train in the station.<ref>((cite book|author=USA Patent Office|url=https://books.google.com/books?id=orA1hQ58sskC&pg=RA8-PA536|title=Official Gazette of the United States Patent Office|publisher=U.S. Government Printing Office|year=1872|page=8-PA536|access-date=December 31, 2020|issue=v. 140|archive-date=23 January 2023|archive-url=https://web.archive.org/web/20230123100023/https://books.google.com/books?id=orA1hQ58sskC&pg=RA8-PA536|url-status=live))</ref> In 1917, Carl Albert West was granted a patent for "Gate for subrailways and the like".<ref>((Cite patent|country=US|number=1259060A|title=Gate for subrailways and the like.|status=|pubdate=|gdate=1917-06-22|invent1=West|inventor1-first=C. A.|url=https://patents.google.com/patent/US1259060A/en)) ((Webarchive|url=https://web.archive.org/web/20210824095931/https://patents.google.com/patent/US1259060A/en |date=24 August 2021 ))</ref> The invention provided for spaced guides secured to a tunnel's side wall, with "a gate having its ends guided in the guides, the ends and intermediate portions of the gate having rollers engaging the side wall". Pneumatic cylinders with pistons would be used to raise the gates above the platform when a train was in the station. Unlike Shute's invention, the entire platform gate was movable, and was to retract upward.<ref>((cite book|url=https://books.google.com/books?id=lHtNAAAAYAAJ&pg=PA314|title=Electric Traction|publisher=Kenfield-Davis Publishing Company|year=1919|page=314|access-date=December 31, 2020|issue=v. 14|archive-date=23 January 2023|archive-url=https://web.archive.org/web/20230123100020/https://books.google.com/books?id=lHtNAAAAYAAJ&pg=PA314|url-status=live))</ref>

The first stations in the world with platform screen doors were the ten stations of the [[Saint Petersburg Metro]]'s [[Line 2 (Saint Petersburg Metro)|Line 2]] that opened between 1961 and 1972. The platform "doors" are actually openings in the station wall, which supports the ceiling of the platform. The track tunnels adjoining the ten stations' [[island platform]]s were built with [[tunnel boring machine]]s (TBMs), and the island platforms were actually located in a separate vault between the two track tunnels. Usually, TBMs bore the deep-level tunnels between stations, while the station vaults are dug out manually and contain both the tracks and the platform. However, in the case of the Saint Petersburg Metro, the TBMs bored a pair of continuous tunnels that passed through ten stations, and the stations themselves were built in vaults that only contained the platform, with small openings on the sides of the vault, in order for passengers to access the trains in the tunnels.<ref name=micro>((cite web |title=Platform screen doors |url=http://www.mic-ro.com/metro/platform-screen-doors.html |website=Metrobits |access-date=30 September 2021 |archive-date=24 January 2021 |archive-url=https://web.archive.org/web/20210124063806/http://mic-ro.com/metro/platform-screen-doors.html |url-status=live ))</ref>

[[Singapore]]'s [[Mass Rapid Transit (Singapore)|Mass Rapid Transit]] opened in 1987 is often described as the first heavy metro system in the world to incorporate PSDs into its stations for climate control and safety reasons, rather than due to architectural constraints,<ref name=micro/><ref name="Intelligent Transport" /><ref>((cite news |title=Mind the Gap |url=https://www.railway-technology.com/features/feature49489/ |access-date=30 September 2021 |work=Railway Technology |date=9 Feb 2009 |archive-date=30 September 2021 |archive-url=https://web.archive.org/web/20210930035548/https://www.railway-technology.com/features/feature49489/ |url-status=live ))</ref> though the [[Medium-capacity rail system|light]] [[Lille Metro]] opened in 1983 predates it.<ref>((cite news |title=Lille VAL |url=https://www.railway-technology.com/projects/lille_val/ |website=Railway Technology |access-date=30 September 2021 |archive-date=30 September 2021 |archive-url=https://web.archive.org/web/20210930035528/https://www.railway-technology.com/projects/lille_val/ |url-status=live ))</ref>

== Types ==
((multiple image
 | image1 = Métro Marbrerie - 4.JPG
 | image2 = Ns25 rafflesplace.jpg
 | footer = The light [[Lille Metro]] (left) was the first system to be fitted with glass platform screen doors, predating the heavy [[Singapore MRT]] (right).
))

[[File:HK MTR DisneyResortLine Sunny Bay platform trains.JPG|thumb|Half-height platform gates at [[Sunny Bay station]] on the [[Disneyland Resort line]] in Hong Kong]]
[[File:대구 도시철도 2호선 문양역 로프형 스크린도어 20170504 093651.jpg|thumb|Rope-type screen door in [[Munyang station]] on the [[Daegu Metro Line 2]]]]

Although the terms are often used interchangeably, '''platform screen doors''' can refer to both full-height and half-height barriers. Full height platform screen doors are total barriers between the station floor and ceiling, while the half-height platform screen doors are referred to as '''platform edge doors''' or '''automatic platform gates''', as they do not reach the ceiling and thus do not create a total barrier. Platform gates are usually only half of the height of the full-screen doors, are chest-height sliding doors at the edge of [[railway platform]]s to prevent passengers from falling off the platform edge onto the [[railway tracks]]. But they sometimes reach to the height of the train. Like full-height platform screen doors, these platform gates slide open or close simultaneously with the train doors. These two types of platform screen doors are presently the main types in the world.

===Platform screen doors and platform edge doors===
These [[door]]s help to:

* Prevent people from accidentally falling onto the tracks, getting too close to moving trains, and committing [[suicide]] (by jumping) or [[homicide]] (by pushing).<ref name="Intelligent Transport">((cite web |url= https://www.intelligenttransport.com/transport-articles/1725/platform-screen-doors/ |title= Platform Screen Doors: No barrier to success |date= 19 April 2007 |website= Intelligent Transport |access-date= 25 September 2019 |archive-date= 25 September 2019 |archive-url= https://web.archive.org/web/20190925180659/https://www.intelligenttransport.com/transport-articles/1725/platform-screen-doors/ |url-status= live ))</ref>
* Prevent or reduce wind felt by the passengers caused by the [[piston effect]] which could in some circumstances make people lose their balance.
* Improve safety—reduce the risk of accidents, especially from trains passing through the station at high speeds.<ref name="Intelligent Transport"/>
* Improve climate control within the station (heating, ventilation, and air conditioning are more effective when the station is physically isolated from the tunnel).<ref name="Intelligent Transport"/>
* Improve security—access to the tracks and tunnels is restricted.<ref name="Intelligent Transport" />
* Lower costs—eliminate the need for [[motorman (locomotive)|motormen]] or [[Conductor (transportation)|conductors]] when used in conjunction with [[automatic train operation]], thereby reducing manpower costs.
* Prevent [[litter]] buildup on the tracks, which can be a fire risk, as well as damage and possibly obstruct trains.<ref>((cite news |date= 26 May 2006 |title= DIY railway litter patrol banned |url= http://news.bbc.co.uk/1/hi/wales/south_west/5019324.stm |work= BBC News |access-date= 27 September 2019 |archive-date= 29 December 2006 |archive-url= https://web.archive.org/web/20061229025020/http://news.bbc.co.uk/1/hi/wales/south_west/5019324.stm |url-status= live ))</ref>
* Improve the sound quality of platform announcements, as background noise from the tunnels and trains that are entering or exiting is reduced.((citation needed|date=June 2023))
* At underground or indoor platforms, prevent the air from being polluted by the fumes caused by friction from the train wheels grinding against the tracks.<ref>PDF on the issue (London Underground): [https://thenorthbank.london/wp-content/uploads/2018/03/Personal-Exposure-and-Air-Quality-in-Northbank-Final.pdf Personal Exposure and Air Quality in Northbank] ((Webarchive|url=https://web.archive.org/web/20181128075250/https://thenorthbank.london/wp-content/uploads/2018/03/Personal-Exposure-and-Air-Quality-in-Northbank-Final.pdf |date=28 November 2018 ))</ref>

Their primary disadvantage is their cost; installing a system typically costs several million USD per station. When used to retrofit older systems, they limit the kind of rolling stock that may be used on a line, as train doors must have exactly the same spacing as the platform doors; this results in additional costs due to depot upgrades and otherwise unnecessary purchases of rolling stock.

Despite delivering an overwhelming improvement to passenger safety at the platform-train interface, platform screen doors do introduce new hazards which must be carefully managed in design and delivery. The principal hazard is entrapment between closed platform doors and the train carriage which, if undetected, can lead to fatality when the train begins to move (see ((section link||Incidents))). Cases of this happening are rare, and the risk can be minimised with careful design, in particular by interlocking the door system with the signalling system, and by minimising the gap between the closed platform doors and the train body. In some cases active monitoring systems are used to monitor this gap.

((Anchor|Automatic platform gate|Automatic platform gates))Half-height platform edge doors, also known as automatic platform gates, are cheaper to install than full-height platform screen doors, which require more metallic framework for support. Some railway operators may therefore prefer such an option to improve safety at railway platforms and, at the same time, keep costs low and non-air-conditioned platforms naturally ventilated. However, these gates are less effective than full platform screen doors in preventing people from intentionally jumping onto the tracks.<ref>((Cite web |url=http://www.manusa.com/es/sectores/transporte/ |title=Manusa - website on Automatic Platform Gate |access-date=16 November 2010 |archive-url=https://web.archive.org/web/20160826114655/http://www.manusa.com/es/sectores/transporte |archive-date=26 August 2016 |url-status=dead ))</ref> These gates were ((clarify span|first| reason= What about those installed in some Japanese systems, e.g., Yui Rail, Kyushu Shinkansen?|date=May 2022)) in practical use by the [[MTR|Hong Kong MTR]] on the [[Disneyland Resort line]] for the open-air station designs. Most half-height platform edge door designs have taller designs than the ones installed on the Disneyland Resort line.

=== Rope-type platform screen doors ===
There are also rope-type platform screen doors, where multiple train types with different length and train door structures use the same platforms. The barriers move upwards, rather than sideways, when letting passengers through.

Some Japanese, Korean, Chinese and eastern European countries have railway stations that use rope-type screen doors to lower the cost of installation and to deal with the problem of different train types and distance between the doors.

=== Variable-type platform screen doors ===
The first-ever full-height variable-type platform screen doors have only been recently installed at the underground platforms of [[Ōsaka Station|Osaka Station]], which opened in March 2023, but a few half-height variants can be found on a set installed at the [[Tokaido Shinkansen|Shinkansen]] platforms of [[Shinagawa Station]] in [[Tokyo]]. Its use is currently rare since they are a much costlier and more complicated alternative to the aforementioned rope-type screen doors. The only difference from the latter is that they move sideways when letting passengers through.

At Osaka Station, the doors are designed as a single block (equivalent to the length of a train car). It consists of five units: one wall-like "parent door" suspended from the top and two sets of glass "child doors". When the train reaches the station, a special scanner on the platform receives and scans the information on the ID tag placed on the train to identify the type and the number of train cars. With the type and the number of cars for the arriving train having been instantly identified, each unit will slide automatically to match the length of the stopped train cars. The parent and child doors then slide into the optimal position to align precisely with the position of each car door.<ref name="gov-online.go.jp">((Cite web |title=Train Station to Install Latest Type of Sliding Platform Screen Doors ((!)) February 2022 ((!)) Highlighting Japan |url=https://www.gov-online.go.jp/eng/publicity/book/hlj/html/202202/202202_10_en.html |access-date=2023-05-20 |website=www.gov-online.go.jp))</ref>

Since the technology is still new, such doors are still going through testing phases in several countries around the world.<ref>((Cite web |title=Industry's First Variable Pitch Platform Screen Door |url=https://blog.agilsmartcities.com/tech-in-action/smart-mobility/industry-s-first-variable-pitch-platform-screen-door/ |access-date=2023-05-20 |website=blog.agilsmartcities.com))</ref>

== Use ==
===Argentina===
[[Line D (Buenos Aires Underground)|Line D]] of the [[Buenos Aires Subte]] is planned to have platform screen doors installed in the future as soon as the CBTC system is installed.<ref name=scribd>[https://www.scribd.com/fullscreen/280786246?access_key=key-QjMpWeIgIaIPKz8sIyZ8&allow_share=true&escape=false&view_mode=scroll Plan de modernización del Subterráneo de Buenos Aires] ((Webarchive|url=https://web.archive.org/web/20210308122842/https://www.scribd.com/fullscreen/280786246?access_key=key-QjMpWeIgIaIPKz8sIyZ8&allow_share=true&escape=false&view_mode=scroll |date=8 March 2021 )) – Buenos Aires Ciudad</ref><ref name=PlanModernizacion>[http://enelsubte.com/noticias/piccardo-presento-en-brasil-el-plan-de-modernizacion-del-subte/ Piccardo presentó en Brasil el Plan de Modernización del Subte] ((Webarchive|url=https://web.archive.org/web/20220612073437/http://enelsubte.com/noticias/piccardo-presento-en-brasil-el-plan-de-modernizacion-del-subte/ |date=12 June 2022 )) – EnElSubte, 18 September 2015.</ref><ref>((cite news|title=Licitan nuevo señalamiento para la línea D|url=http://enelsubte.com/noticias/licitan-nuevo-senalamiento-para-la-linea-d/|access-date=7 July 2016|work=EnElSubte|date=22 June 2016|language=es-ES|archive-date=11 June 2022|archive-url=https://web.archive.org/web/20220611052346/https://www.enelsubte.com/noticias/licitan-nuevo-senalamiento-para-la-linea-d/|url-status=live))</ref>

=== Australia ===
[[File:Bella vista railway station platform.jpg|thumb|[[Bella Vista railway station]] in [[Sydney]]]]
[[Sydney Metro Northwest]], the initial section of the [[Sydney Metro]], which opened in May 2019, was the first-fully automated rapid transit rail system in Australia. Full-height screen doors are provided on most underground platforms, with half-height doors on at-grade, elevated and some underground platforms. The existing five stations on the [[Epping to Chatswood railway line]] were upgraded to rapid transit standard, all being fitted with half-height platform screen doors.<ref>((Cite web|url=https://www.sydneymetro.info/|title=Australia's Biggest Public Transport Project &#124; Sydney Metro|website=[[Sydney Metro]]|access-date=29 September 2021|archive-date=24 June 2022|archive-url=https://web.archive.org/web/20220624110830/https://www.sydneymetro.info/|url-status=live))</ref>

In Melbourne, the [[Metro Tunnel]], from [[Kensington, Victoria|South Kensington]] to [[South Yarra]], due to open in 2025, will have platform screen doors on the underground stations.<ref>((cite web | title=Cue new screen doors at Metro rail stations, but you will need new queuing technique | url=http://www.theage.com.au/victoria/cue-new-screen-doors-at-metro-rail-stations-but-you-will-need-new-queuing-technique-20160512-gotatw.html | newspaper=[[The Age]] | access-date=29 October 2017 | first1=Benjamin | last1=Preiss | first2=Liam | last2=Mannix | date=12 May 2016 | archive-date=29 September 2017 | archive-url=https://web.archive.org/web/20170929064258/http://www.theage.com.au/victoria/cue-new-screen-doors-at-metro-rail-stations-but-you-will-need-new-queuing-technique-20160512-gotatw.html | url-status=live ))</ref> [[High Capacity Metro Trains|New rolling stock]] is being constructed, with doors that will line up with full-height ones on the platforms. The Future [[Suburban Rail Loop]], which will open in 2035 will also have platform screen doors. 

The [[Cross River Rail]] in Brisbane, which is currently under construction and scheduled to open in 2026, will have platform screen doors on the new [[Boggo Road railway station|Boggo Road]], [[Woolloongabba railway station|Woolloongabba]] and [[Albert Street railway station|Albert Street]] underground stations, and the new underground platforms of [[Roma Street railway station|Roma Street]].<ref>((cite web|title=ST Engineering enters Australia rail market with Queensland's Cross River Rail contract win|url=https://www.businesstimes.com.sg/companies-markets/st-engineering-enters-australia-rail-market-with-queenslands-cross-river-rail|website=[[Business Times (Singapore)|Business Times]]|access-date=23 October 2021|first=Sing Yee|last=Ong|date=16 April 2021|archive-date=11 June 2022|archive-url=https://web.archive.org/web/20220611010829/https://www.businesstimes.com.sg/companies-markets/st-engineering-enters-australia-rail-market-with-queenslands-cross-river-rail|url-status=live))</ref>

=== Austria ===
Currently, only the [[U-Bahn Serfaus|Serfaus U-Bahn]] uses platform screen doors. Line U2 of the [[Vienna U-Bahn]] is being reconstructed from [[Schottentor station]] to [[Karlsplatz station (Vienna U-Bahn)|Karlsplatz station]], with the addition of platform screen doors to the reconstructed stations by 2023–2024.<ref>((Cite web|title=Wie der U2-Tunnel zwischen Volkstheater und Rathaus ausgeweidet wird|url=https://www.derstandard.at/story/2000128629119/wie-der-u2-tunnel-zwischen-volkstheater-und-rathaus-ausgeweidet-wird|access-date=2021-08-07|website=DER STANDARD|language=de-AT|archive-date=22 May 2022|archive-url=https://web.archive.org/web/20220522081247/https://www.derstandard.at/story/2000128629119/wie-der-u2-tunnel-zwischen-volkstheater-und-rathaus-ausgeweidet-wird|url-status=live))</ref>

=== Bangladesh ===
((Unreferenced section|date=October 2023))

The [[Dhaka Metro Rail]] uses half-height platform screen doors at all of its elevated stations.

=== Belarus ===
[[File:Vakzalnaja_(Minsk_Metro_station).jpg|thumb|Vakzaĺnaja Station on Line 3 of the [[Minsk Metro]]]]

Platform screen doors are being installed on Line 3 of the [[Minsk Metro]], which first opened in late 2020, and will be installed at stations on the later sections of the line.<ref>((Cite web|url=https://belarus24.by/en/news/society/platform-screen-doors-installed-in-minsk-metro/|title=Platform screen doors installed in Minsk metro|website=TV channel «Belarus 24»|access-date=6 March 2020|archive-date=29 September 2021|archive-url=https://web.archive.org/web/20210929093712/https://belarus24.by/en/news/society/platform-screen-doors-installed-in-minsk-metro/|url-status=live))</ref>

=== Brazil ===
[[File:20141225 Linha 4-Amarela.jpg|thumb|[[Paulista (São Paulo Metro)|Paulista Station]] on [[São Paulo Metro]]'s [[Line 4 (São Paulo Metro)|Line 4]], the first fully automated transit line in [[Latin America]]<ref>((Cite web|url=http://www.viaquatro.com.br/imprensa/noticias/Linha-4-Amarela-e-eleita-a-melhor-pelos-paulistanos?releaseId=31186|title=Linha 4-Amarela é eleita a melhor pelos paulistanos &#124; ViaQuatro|access-date=1 November 2019|archive-date=21 April 2022|archive-url=https://web.archive.org/web/20220421212052/https://www.viaquatro.com.br/imprensa/noticias/Linha-4-Amarela-e-eleita-a-melhor-pelos-paulistanos?releaseId=31186|url-status=live))</ref>]]
The Platform Screen Doors are present in the [[São Paulo Metro]] since 2010, when the Sacomã Station was opened.<ref>((Cite web|url=https://www.saopaulo.sp.gov.br/ultimas-noticias/serra-inaugura-estacao-sacoma-do-metro-1/|title=Serra inaugura estação Sacomã do Metrô|date=30 January 2010|website=Governo do Estado de São Paulo|access-date=29 September 2021|archive-date=14 May 2021|archive-url=https://web.archive.org/web/20210514005757/https://www.saopaulo.sp.gov.br/ultimas-noticias/serra-inaugura-estacao-sacoma-do-metro-1/|url-status=live))</ref> As of 2019, five of the six lines of the [[São Paulo Metro]] have the equipment: [[Line 4 (São Paulo Metro)|Line 4 - Yellow]] and [[Line 15 (São Paulo Metro)|Line 15 - Silver]] have the equipment installed in all of its stations. The feature is also present in some stations of [[Line 2 (São Paulo Metro)|Line 2 - Green]], [[Line 3 (São Paulo Metro)|Line 3 - Red]] and [[Line 5 (São Paulo Metro)|Line 5 - Lilac]]. They are planned to be installed in 41 stations of lines 1, 2 and 3 by the end of
2021,<ref>((Cite web|url=https://www.saopaulo.sp.gov.br/ultimas-noticias/governo-de-sp-contrata-instalacao-de-portas-de-plataforma-do-metro/|title=Governo de SP contrata instalação de portas de plataforma do Metrô|date=12 June 2019|website=Governo do Estado de São Paulo|access-date=29 September 2021|archive-date=13 June 2022|archive-url=https://web.archive.org/web/20220613074904/https://www.saopaulo.sp.gov.br/ultimas-noticias/governo-de-sp-contrata-instalacao-de-portas-de-plataforma-do-metro/|url-status=live))</ref> as well as all stations of line 5 by the end of 2020.<ref>((Cite web|url = https://diariodotransporte.com.br/2018/08/31/portas-de-plataforma-em-toda-a-linha-5-lilas-serao-entregues-ate-2020-diz-pelissioni/|title = Portas de Plataforma em toda a linha 5 Lilás serão entregues até 2020, diz Pelissioni|date = 31 August 2018|access-date = 1 November 2019|archive-date = 13 June 2022|archive-url = https://web.archive.org/web/20220613083202/https://diariodotransporte.com.br/2018/08/31/portas-de-plataforma-em-toda-a-linha-5-lilas-serao-entregues-ate-2020-diz-pelissioni/|url-status = live))</ref>((update inline|date=May 2022))

PSDs are also found on the [[Estação Tubo|tube stations]] of the [[Rede Integrada de Transporte|RIT]] BRT and in the [[Baixada Santista Light Rail|Santos Light Rail]] since 2016.<ref>((Cite web|url = https://viatrolebus.com.br/2016/11/emtu-conclui-instalacao-de-portas-plataforma-em-estacao-do-vlt/|title = EMTU conclui instalação de portas plataforma em estação do VLT|date = 7 November 2016|access-date = 1 November 2019|archive-date = 12 June 2022|archive-url = https://web.archive.org/web/20220612111348/https://viatrolebus.com.br/2016/11/emtu-conclui-instalacao-de-portas-plataforma-em-estacao-do-vlt/|url-status = live))</ref>

=== Bulgaria ===
[[File:Bulgaria_metrostation.jpg|thumb|[[Bulgaria Metro Station|''Bulgaria'' station]] on Line 3 of the [[Sofia Metro]] in [[Bulgaria]]]]

Half-height platform screen doors are in use on all stations of the [[Sofia Metro]] Line 3.<ref>((Cite web|url=https://www.railjournal.com/passenger/metros/sofia-awards-metro-contract-to-siemens-and-newag/|title=Sofia awards metro contract to Siemens and Newag|date=15 March 2016|website=International Railway Journal|language=en|access-date=17 December 2019|archive-date=16 June 2022|archive-url=https://web.archive.org/web/20220616060026/https://www.railjournal.com/passenger/metros/sofia-awards-metro-contract-to-siemens-and-newag/|url-status=live))</ref>

In 2020, rope-type screen door (RSD) system was installed in [[Vasil Levski Stadium Metro Station]] and [[Opalchenska Metro Station]] of the [[Sofia Metro]] Line 1 and Line 2. In total, such rope-type safety barriers will be installed on more 10 of the busiest stations on the Line 1 and 2 of the [[Sofia Metro]], providing increased safety for passengers and protecting against accidental falls.<ref>((Cite web|url=https://trud.bg/%D1%84%D0%B0%D0%BD%D0%B4%D1%8A%D0%BA%D0%BE%D0%B2%D0%B0-%D0%B3%D0%BE%D1%82%D0%BE%D0%B2%D0%B8-%D1%81%D0%B0-%D0%B0%D0%B2%D1%82%D0%BE%D0%BC%D0%B0%D1%82%D0%B8%D1%87%D0%BD%D0%B8%D1%82%D0%B5-%D0%BF%D1%80%D0%B5%D0%B4%D0%BF%D0%B0%D0%B7%D0%BD%D0%B8-%D0%B2%D1%80%D0%B0%D1%82%D0%B8-%D0%BD%D0%B0-%D0%BC%D0%B5%D1%82%D1%80%D0%BE%D1%81%D1%82%D0%B0%D0%BD%D1%86%D0%B8%D1%8F-%D0%BE%D0%BF%D1%8A%D0%BB%D1%87%D0%B5%D0%BD%D1%81%D0%BA%D0%B0/|title=Фандъкова: Готови са автоматичните предпазни врати на метростанция "Опълченска" - Труд|website=trud.bg|access-date=29 September 2021|archive-date=21 June 2022|archive-url=https://web.archive.org/web/20220621091734/https://trud.bg/%D1%84%D0%B0%D0%BD%D0%B4%D1%8A%D0%BA%D0%BE%D0%B2%D0%B0-%D0%B3%D0%BE%D1%82%D0%BE%D0%B2%D0%B8-%D1%81%D0%B0-%D0%B0%D0%B2%D1%82%D0%BE%D0%BC%D0%B0%D1%82%D0%B8%D1%87%D0%BD%D0%B8%D1%82%D0%B5-%D0%BF%D1%80%D0%B5%D0%B4%D0%BF%D0%B0%D0%B7%D0%BD%D0%B8-%D0%B2%D1%80%D0%B0%D1%82%D0%B8-%D0%BD%D0%B0-%D0%BC%D0%B5%D1%82%D1%80%D0%BE%D1%81%D1%82%D0%B0%D0%BD%D1%86%D0%B8%D1%8F-%D0%BE%D0%BF%D1%8A%D0%BB%D1%87%D0%B5%D0%BD%D1%81%D0%BA%D0%B0/|url-status=live))</ref>

=== Canada ===
Screen doors are in use at all three [[LINK Train]] stations and the [[Union Station (Toronto)|Union]] and [[Toronto Pearson Terminal 1 Station|Pearson]] stations along the [[Union Pearson Express]] route to [[Toronto Pearson International Airport]] in [[Mississauga, Ontario]]. Platform screen doors will be installed at all stations on the forthcoming [[Ontario Line]].<ref>((cite web | url=https://www.metrolinx.com/en/projects-and-programs/ontario-line/what-were-building/trains-and-technology | title=Metrolinx - Trains and Technology ))</ref> In addition, as a part of major renovations and expansions to the [[Bloor-Yonge]] interchange, platform screen doors will be installed on both Line 1 platforms. The doors will also be installed on the Line 2 platforms once [[CBTC]] signalling upgrades are made to the line. The addition of such doors at Bloor-Yonge has prompted rumours of a broader system wide rollout, including in the forthcoming [[Scarborough Subway Extension]] and [[Line 1 Yonge–University|Yonge North Subway Extension]], though no confirmation or funding has been announced by the [[Toronto Transit Commission]] or the [[Government of Ontario]].<ref>((cite web | url=https://toronto.ctvnews.ca/ttc-will-install-platform-edge-doors-on-line-1-platform-at-bloor-yonge-station-as-part-of-1-5b-overhaul-1.6425076 | title=TTC will install platform edge doors on Line 1 platform at Bloor-Yonge Station as part of $1.5B overhaul | date=2 June 2023 ))</ref>

Greater Montreal's forthcoming [[Réseau express métropolitain]] (REM), the 67-kilometre-long driverless complementary suburban rapid transit network opening in five phases between 2023 and 2027<ref>((cite web | url=https://montreal.citynews.ca/2023/07/31/first-day-of-rem-service-and-first-delays/| title=First day of REM service and first delays | date=31 July 2023))</ref> will feature screen doors at each of its 26 stations.

With the advent of the REM on the horizon, calls to retrofit platform edge doors in the [[Montreal Metro]] to combat delays arising from overcrowding are becoming more common. If full-height doors were to be installed, it may reduce the difficulty in opening station entrance doors at ground level due to the pressure imbalance caused by passing trains.((Citation needed|date=November 2020)) Given that there are two different train door layouts on the Montreal Metro, with the older [[MR-73]] trains having 4 doors on each side of the car, and [[MPM-10]] having 3, it is unlikely platform doors will be showing up in the Montreal Metro until the retirement of the MR-73 fleet.

In June 2023, the operator of the [[Vancouver SkyTrain]], [[TransLink (British Columbia)|TransLink]] announced a feasibility study into installing platform screen doors on the [[Expo Line (SkyTrain)|Expo]] and [[Millennium Line|Millennium]] lines. Such installation was previously deemed infeasible, due to SkyTrain's diverse fleet and different door positions. However, with the acquisition of the [[SkyTrain (Vancouver) rolling stock#Alstom_Mark_V|Alstom Mark V trains]], which will replace the ageing [[SkyTrain (Vancouver) rolling stock|Mark I]], the door positions allow for a feasibility study to proceed. The results will be released sometime in 2025.<ref>((cite web | url=https://dailyhive.com/vancouver/skytrain-platform-screen-doors-trackway-intrusion-engineering-study-translink | title=TransLink studying platform screen doors for SkyTrain stations &#124; Urbanized ))</ref>

=== Chile ===
<gallery widths="160" heights="100">
File:Estación_Fernando_Castillo_Velasco.jpg|[[Fernando Castillo Velasco metro station]] In [[Santiago Metro Line 3|Line 3]] In [[Santiago Metro]]
File:L6 Los Leones - Puertas de andén.jpg|[[Santiago Metro Line 6|Line 6]] of the [[Santiago Metro]], inaugurated in November 2017, introduced the platform doors and converted it into one of the most modern in [[Latin America]]
</gallery>

Platform edge doors are currently in use at Lines [[Santiago Metro Line 3|3]] and [[Santiago Metro Line 6|6]] of the [[Santiago Metro]], being a novelty in the system.

=== China Mainland ===
All Chinese metro systems have platform screen doors installed on most of their lines. All stations built after the mid-2000s have some form of platform barrier. [[Line 2 (Guangzhou Metro)|Guangzhou Metro Line 2]], which opened in 2002, is the first metro system in mainland China to have installed platform screen doors since its completion.<ref>((Cite news |date=2003-12-17 |title=广州地铁二号线四项技术国内首创 |url=http://news.sina.com.cn/c/2003-12-17/12061363658s.shtml |archive-url=https://web.archive.org/web/20211022085246/http://news.sina.com.cn/c/2003-12-17/12061363658s.shtml |archive-date=2021-10-22 |accessdate=2021-10-22 |work=南方日报 |via=新浪新闻))</ref> The older [[Line 1 (Guangzhou Metro)|Guangzhou Metro Line 1]] also completed the installation of platform screen doors between 2006 and 2009.<ref>((Cite web |title=广州地铁1号线加装新式屏蔽门保障乘客安全(图)_新闻中心_新浪网 |url=http://news.sina.com.cn/c/2004-12-24/14225321058.shtml |access-date=2024-03-01 |website=news.sina.com.cn))</ref><ref>((Cite web |title=黄沙站屏蔽门今启用_新闻中心_新浪网 |url=http://news.sina.com.cn/s/2006-03-06/15308375189s.shtml |access-date=2024-03-01 |website=news.sina.com.cn))</ref><ref>((Cite web |title=广州地铁线路全部安装屏蔽门-搜狐新闻 |url=http://news.sohu.com/20090725/n265469024.shtml |access-date=2024-03-01 |website=news.sohu.com))</ref> Only the [[Dalian Metro]] lines 3, 12, and 13, [[Wuhan Metro]] line 1 and Changchun Metro lines 3, 4, and 8 have stations without the platform screen doors on their early lines (((as of|2019|09|21))). However many are starting the process of retrofitting these lines with platform screen gates. 

In addition, many BRT systems such as the [[Guangzhou Bus Rapid Transit]] are also equipped with platform screen doors. Platform screen doors are also present in some tram and light rail stops such as the [[Xijiao line|Xijiao Light rail]], [[Trams in Nanjing|Nanjing tram]] and [[Line 2 (Chengdu Tram)|Chengdu tram]], as well as some [[bus rapid transit]] stops. 

Several underground high speed railway stations of the [[China Railway High-speed|CRH]] network use platform screen doors set back from the platform edge.

In addition, Fengxian District in Shanghai installed platform gates at a road crossing.

<gallery>
File:Metrocomeon.jpg|Retrofitting for PSDs on Guangzhou Line 1
File:GBRT Tianhe Sports Center.JPG|The platform screen door of Tianhe Sports Center Station in Guangzhou BRT
File:Futian Railway Station rail tracks towards Shenzhen North.jpg|[[Futian station]], an underground station on the [[Guangzhou–Shenzhen–Hong Kong Express Rail Link]], with screen doors on the platform
</gallery>

=== Colombia ===
((Unreferenced section|date=October 2023))[[File:Parada Ferias tm Bogotá N.jpg|thumb|A [[TransMilenio]] bus rapid transit station in [[Bogotá]] with platform screen doors]]Several stations on Bogota's [[TransMilenio]] bus rapid transit system use platform screen doors. The [[Ayacucho Tram]] in Medellin also has half-height platform doors at every station.
((Clear))

===Denmark===
[[File:Forum_Station_under_jorden.JPG|thumb|Deep-level station design at [[Forum Station]] in [[Copenhagen Metro]]]]
The [[Copenhagen Metro]] uses Westinghouse<ref>((cite web|url=http://www.platformscreendoors.com/index.php?option=com_content&view=article&id=110&Itemid=114 |title=WPSD Platform Screen Door System - Case Study |publisher=Platformscreendoors.com |access-date=1 August 2009 |archive-url = https://web.archive.org/web/20080626101614/http://www.platformscreendoors.com/index.php?option=com_content&view=article&id=110&Itemid=114 |archive-date = 26 June 2008))</ref> and Faiveley platform screen doors on all platforms. Full-height doors are used on underground stations while surface level stations have half-height doors (except from [[Lufthavnen Station|Lufthavnen]] and [[Orientkaj Station|Orientkaj]]). Underground stations have had platform doors since opening, while above ground stations on lines 1 and 2 did not initially, and were installed later.

===Finland===
The [[Helsinki Metro]] had a trial run with Faiveley automatic platform gates installed on a single platform at [[Vuosaari metro station]] during phase one of the project. The doors, which are part of the Siemens metro automation project, were built in 2012. Phase 2 of the project has been delayed due to metro automation technical and safety related testings.<ref>((cite web | url=http://www.hel.fi/hki/HKL/en/current+and+news/vuosaari+platform+doors+introduced | title=Vuosaari platform doors introduced on 15 February | publisher=[[Helsinki City Transport|HKL]] | date=17 February 2012 | access-date=20 March 2012 | url-status=dead | archive-url=https://web.archive.org/web/20130513201456/http://www.hel.fi/hki/hkl/en/current+and+news/vuosaari+platform+doors+introduced | archive-date=13 May 2013 | df=dmy-all ))</ref> The doors were removed in 2015.

((Clear))

===France===
((More citations needed section|date=January 2024))((multiple image
|total_width=450
|align=right
|direction=horizontal
|image1=MP14 RATP Ligne 14.jpg
|caption1=Train at [[Châtelet (Paris Métro)|Châtelet]] on [[Paris Métro Line 14]]
|image2=Rideaux de quai de Vanves-Malakoff.jpg
|caption2=Platform curtains at [[Vanves–Malakoff station]]
))

All lines of the [[Véhicule Automatique Léger|VAL]] automated subway system are equipped with platform screen doors at every station, starting with [[Lille Metro|Lille]] subways in 1983. Those also include [[Toulouse Metro|Toulouse]] and [[Rennes Metro|Rennes]] as well as the [[CDGVAL]] and [[Orlyval]] airport shuttles.

[[Paris Métro]]'s line [[Paris Métro Line 14|14]] from [[Saint-Lazare (Paris Métro)|Saint-Lazare]] to [[Bibliothèque François Mitterrand (Paris Métro)|Bibliothèque François Mitterrand]] was inaugurated in 1998 with platform screen doors manufactured by [[Faiveley Transport]]. The new station [[Olympiades (Paris Métro)|Olympiades]] opened with platform screen doors in June 2007. Lines [[Paris Métro Line 1|1]] and [[Paris Métro Line 4|4]] have been retrofitted with platform edge doors, for full driverless automation effective in 2012 and 2023, respectively. Some stations on Line [[Paris Métro line 13|13]] have had platform edge doors since 2010 to manage their overcrowding, after tests conducted in 2006.

Since 30 June 2020, a new kind of vertical platform screen doors, called ''platform curtains'', are being tested on the platform 2bis of [[Vanves–Malakoff station]] (in Paris region) on the [[Transilien Line N]] commuter rail line. The experiment should end in February 2021.<ref>((Cite web|date=29 June 2020|title=Vanves-Malakoff : les rideaux de quais bientôt en action !|url=https://meslignesnetu.transilien.com/2020/06/29/vanves-malakoff-rideaux-quais/|url-status=live|archive-url=https://web.archive.org/web/20200701105959/https://meslignesnetu.transilien.com/2020/06/29/vanves-malakoff-rideaux-quais/|archive-date=1 July 2020|access-date=1 July 2020|website=Le blog des Lignes N et U - Transilien|at=Quand seront-ils en fonctionnement ?))</ref> [[Transilien]] said that they preferred platform curtains to classical screen doors for this line because the positioning of the doors is not the same across the [[Transilien Line N#Rolling stock|rolling stock]], and that they plan to install them in other Transilien stations if the experiment is successful.<ref>((Cite web|date=29 June 2020|title=Vanves-Malakoff : les rideaux de quais bientôt en action !|url=https://meslignesnetu.transilien.com/2020/06/29/vanves-malakoff-rideaux-quais/|url-status=live|archive-url=https://web.archive.org/web/20200701105959/https://meslignesnetu.transilien.com/2020/06/29/vanves-malakoff-rideaux-quais/|archive-date=1 July 2020|access-date=1 July 2020|website=Le blog des Lignes N et U - Transilien|at=Comment les rideaux de quais fonctionnent-ils ?))</ref>

===Germany===
People movers at [[Frankfurt International Airport]], Munich International Airport and [[Düsseldorf Airport]] are equipped with platform screen doors, as well as the suspended monorail in [[Dortmund]], called [[H-Bahn]]. Plans are underway to test platform screen doors on the [[Munich U-Bahn]] in 2023 and line U5 & U6 will be installed in late 2026.<ref>((Cite web|last=muenchen.de|title=Können Bahnsteigtüren die Sicherheit der U-Bahn erhöhen?|url=https://www.muenchen.de/verkehr/aktuell/mvg-test-bahnsteigtueren-olympiazentrum-digitalisierung.html|access-date=2021-08-07|website=muenchen.de|language=de|archive-date=7 August 2021|archive-url=https://web.archive.org/web/20210807003254/https://www.muenchen.de/verkehr/aktuell/mvg-test-bahnsteigtueren-olympiazentrum-digitalisierung.html|url-status=live))</ref>

All stations on the forthcoming line U5 on the [[Hamburg U-Bahn]] will feature full-height platform screen doors. 

=== Greece ===
Platform screen doors will be used on the driverless [[Thessaloniki Metro]],<ref>((Cite web|url=http://www.ametro.gr/wp-content/uploads/2016/08/AM_01.12.2014_RFP256_TechnicalData_Thess_EN.pdf|archive-url=https://web.archive.org/web/20180911045037/http://www.ametro.gr/wp-content/uploads/2016/08/AM_01.12.2014_RFP256_TechnicalData_Thess_EN.pdf|title=TECHNICAL CONSULTANT SERVICES FOR THESSALONIKI METRO PROJECTS|url-status=dead|archive-date=11 September 2018|date=11 September 2018|access-date=7 February 2020))</ref> which opens in November 2023 and in [[Line 4 (Athens Metro)|Line 4]] of [[Athens Metro]].

===Hong Kong===
<gallery widths="160" heights="100">
East Tsim Sha Tsui Station platforms 2021 06 part5.jpg|[[East Tsim Sha Tsui station]] has had the longest set of platform screen doors in the world, since its opening in 2004, but a third have been out of service since the station began serving shorter trains on the [[West Rail line]] (now [[Tuen Ma line]]) in 2009.
Disneyland Resort Station Platform 20130726.jpg|[[Disneyland Resort station]] platform became the second station in Hong Kong to have half-height platform-edge doors installed, after ((STN|Sunny Bay)).
Choi Hung Station platforms 2021 07 part3.jpg|[[Choi Hung station]] platform was where the MTR first trialled PSDs in 1996. The current doors were installed in 2001.
Tai Wai Station Tuen Ma Line platforms 2022 04 part3.jpg|Platform 3 of [[Tai Wai station]] serving ((STN|Tuen Mun))-bound Tuen Ma Line trains. The [[East Rail line|East Rail Line]] platforms of the same station are currently undergoing APG retrofitting.
</gallery>

Currently, all heavy rail and medium-capacity railway platforms outside the ((lnl|MTR|eal)) are equipped with either platform screen doors or automatic platform gates. On the East Rail line, PSDs are installed only at ((STN|Admiralty|MTR)), ((STN|Exhibition Centre|MTR)) and ((STN|Hung Hom)) stations. Automatic platform gates have also been installed at [[Racecourse station (MTR)|Racecourse]], [[Lok Ma Chau station|Lok Ma Chau]], [[Tai Po Market station|Tai Po Market]] (Platform 2 to 4). Installation is still in progress or are soon to begin at the remaining stations. Automatic platform gates are currently only used in at-grade and elevated stations, while platform screen doors are used in all underground and some at-grade or elevated stations. None of the [[Light Rail (MTR)|light rail]] platforms have platform screen doors or automatic platform gates installed.

The [[MTR Corporation]] had since mid-1996, been studying the feasibility of installing PSDs at the older stations to reduce suicides on the MTR and reduce air-conditioning costs. Platforms 2 and 3 of ((STN|Choi Hung)) were chosen for the trial due to them being redundant platforms and receiving low numbers of passengers. Platform screen doors of two and a half cars' length were installed on each of the two platforms during the trial in 1996. As the Kwun Tong line trains consisted of eight cars, it was decided that the PSDs were to be removed to allow for smoother train operations.((Citation needed|date=January 2024))

[[File:Tsing Yi Station 2020 06 part2.jpg|thumb|right|[[Tsing Yi station]], along with the other stations of Tung Chung line and Airport Express, were the first stations to have PSDs in normal operation in Hong Kong.]]
With the opening of the ((lnl|MTR|tcl)) and ((lnl|MTR|ae)), Hong Kong had its first full-height PSDs fully operational in 1998.

The MTR decided in 1999 to undertake the PSD Retrofitting Programme at 74 platforms of 30 select underground stations on the [[Kwun Tong line|Kwun Tong]], [[Island line (MTR)|Island]], and ((lnl|MTR|twl))s. 2,960 pairs of PSDs were ordered from Gilgen Door Systems. Choi Hung became the first station to receive platform screen doors from this programme in August 2001. The Mass Transit Railway became the first metro system in the world to retrofit PSDs on a transit system already in operation.<ref>((cite web|url=http://www.info.gov.hk/gia/general/200501/05/0105194.htm|title=LCQ16: Retrofitting of PSDs at MTR stations to be completed by 2006|publisher=HKSAR Government Information Centre|date=5 January 2005|access-date=17 June 2007|archive-date=10 March 2012|archive-url=https://web.archive.org/web/20120310055615/http://www.info.gov.hk/gia/general/200501/05/0105194.htm|url-status=live))</ref> The program was completed in March 2006.<ref name=legco12>((cite web|title=Updated background brief on installation of platform screen doors and automatic platform gates at railway stations|url=http://www.legco.gov.hk/yr11-12/english/panels/tp/tp_rdp/papers/tp_rdp0302cb1-1156-e.pdf|publisher=Legislative Council|date=2 March 2012|access-date=24 December 2016|archive-date=31 October 2019|archive-url=https://web.archive.org/web/20191031000129/https://www.legco.gov.hk/yr11-12/english/panels/tp/tp_rdp/papers/tp_rdp0302cb1-1156-e.pdf|url-status=live))</ref> All subsequent new stations or platforms installed with PSDs also used those manufactured by Gilgen Door Systems, until the cross-harbour extension of the East Rail Line which used platform screen doors manufactured by Fangda Group.<ref>((Cite web |title=采用方大轨道交通屏蔽门系统的香港东铁线过海段正式开通 |url=http://www.fangda.com/news/index3863.html |archive-url=https://web.archive.org/web/20240106203011/http://www.fangda.com/news/index3863.html |archive-date=2024-01-06 |access-date=2024-01-06 |website=China Fangda Group Co., Ltd.))</ref>

[[File:Sunny Bay Station platforms 2022 05 part4.jpg|thumb|right|Sunny Bay station was the first station in Hong Kong to have PEDs.]]
The opening of the ((STN|Sunny Bay)) and ((STN|Disneyland Resort)) stations in 2005 also meant the first platform-edge doors entering operation for the MTR network. These doors are currently the lowest in the entire network of being at around ((cvt|1.2|m|ftin)) high, compared to ((cvt|1.55|m|ftin)) on the Kwun Tong, Tsuen Wan, Island and Tung Chung lines and ((cvt|1.7|m|ftin)) on the [[Tuen Ma line|Tuen Ma]] and ((lnl|MTR|sil))s.

In 2006, the MTR began studying ways to introduce barriers at above-ground and at-grade stations, which was considered more complicated as those stations were naturally ventilated and the introduction of full-height platform screen doors would entail the installation of air conditioning systems. In 2008, the corporation decided to install automatic platform gates (APGs) at eight stations (the MTR Corporation Limited and KCR Corporation had been operationally merged since 2007, but KCR stations were not included in this study).<ref name=legco12/> The eight stations were retrofitted with APGs in 2011.

From July 2000 to December 2013, the MTR Corporation collected a surcharge of 10 [[Hong Kong dollar|cent]]s from each [[Octopus card|Octopus]]-paying passenger to help pay for the installation of PSDs and APGs. Over HK$1.15 billion was collected in total.<ref>((cite news|last1=Feng|first1=Frank|title=Hong Kong MTR passengers to be spared platform screen door costs|url=http://www.scmp.com/news/hong-kong/education-community/article/1842551/hong-kong-mtr-passengers-be-spared-platform|work=South China Morning Post|date=22 July 2015|access-date=24 December 2016|archive-date=8 November 2020|archive-url=https://web.archive.org/web/20201108093658/http://www.scmp.com/news/hong-kong/education-community/article/1842551/hong-kong-mtr-passengers-be-spared-platform|url-status=live))</ref>

Platform screen doors were also installed on all platforms of the [[West Rail line]] (now part of the [[Tuen Ma line]]), then built by the [[Kowloon-Canton Railway Corporation]] (KCRC) before the [[MTR–KCR merger]]. The [[Ma On Shan line]] did not have gates upon opening even though it was built at the same time as the West Rail; they were eventually added from 2014 to 2017 prior to the opening of the first phase of the Tuen Ma line on 14 February 2020.

The installation of platform screen doors in Hong Kong has been effective in reducing railway injuries and service disruptions.<ref>((cite journal|last1=Law|first1=C.K.|last2=Yip|first2=P.S.F.|title=An economic evaluation of setting up physical barriers in railway stations for preventing railway injury: evidence from Hong Kong|journal=[[Journal of Epidemiology and Community Health]]|date=30 January 2011|volume=65|issue=10|pages=915–920|doi=10.1136/jech.2010.115188|pmid=21282146|hdl=10072/61569|s2cid=41988348|hdl-access=free))</ref>

The then-longest set of platform screen doors in the world can be found in [[East Tsim Sha Tsui station]], where it first served the ((lnl|MTR|eal)) when 12-car [[MTR Metro Cammell EMU (AC)|MLR]] trains were still in service.<ref>((cite web|title=東鐵不裝幕門被轟為慳錢|url=http://hk.apple.nextmedia.com/news/art/20050704/5021127|publisher=[[Apple Daily]]|language=zh|date=4 July 2005|access-date=6 May 2016|archive-date=20 December 2016|archive-url=https://web.archive.org/web/20161220160701/http://hk.apple.nextmedia.com/news/art/20050704/5021127|url-status=live))</ref> Following the completion of the [[Kowloon Southern Link]] and handing over of the station to the ((lnl|MTR|wrl)) (now part of the Tuen Ma line), the subsequent reduction of train length from 12 to 7 cars caused many of the screen doors to be put out of service, although the trains were lengthened to eight cars in May 2018.

The West Rail line (now part of Tuen Ma line), had all stations installed with APGs, and another constituent line of the Tuen Ma line, the Ma On Shan line, had its final APG installed enter service on 20 December 2017.

The last non-tram/light rail stations in Hong Kong without platform screen doors or gates are all on the [[East Rail line]], a former KCR line not part of the MTR APG retrofitting programmes. The [[KCR Corporation]] found it difficult to install APGs because of the wide curves of the platforms and large gaps of their platforms, especially in ((STN|University|MTR)), ((STN|Lo Wu)), and ((STN|Mong Kok East)) station. However, these remaining thirteen stations are all being retrofitted by [[Kaba Group|Kaba]] as part of the [[Sha Tin to Central Link]] project. The APGs are estimated to be at around ((cvt|1.8|m|ftin)) high.<ref>((cite web|title=Contracts |url=http://www.mtr-shatincentrallink.hk/en/construction/contracts.html |website=Sha Tin to Central Link |publisher=MTR Corporation |access-date=23 November 2015 |url-status=dead |archive-url=https://web.archive.org/web/20160304194157/http://www.mtr-shatincentrallink.hk/en/construction/contracts.html |archive-date=4 March 2016))</ref> Adding APGs to the East Rail Line platforms requires platform strengthening with rebars and brackets as the gates, combined with heavy winds, can greatly increase structural load on the platform structure. Also extensive waterproofing work is needed as many of these platforms are directly exposed to the elements.

[[File:Hung Hom Station East Rail Line platforms 2022 10 part3.jpg|thumb|right|East Rail line platforms of Hung Hom station]]
As of May 15, 2022, three stations on the East Rail Line (Hung Hom, Exhibition Centre, Admiralty) are equipped with platform screen doors, while the remaining stations are undergoing retrofitting. The platform screen doors presently in service in the MTR have been supplied by the Swiss manufacturer [[Kaba Group|Kaba Gilgen]], the Japanese [[Nabtesco Corporation]] (under the Nabco brand), the French [[Faiveley Transport]] and Shenzhen Fangda Automatic System.

Apart from the MTR, all stations on the [[Hong Kong International Airport]] [[Hong Kong International Airport Automated People Mover|Automated People Mover]] are equipped with platform screen doors made from [[Knorr-Bremse|Westinghouse]] (for Phase 1)<ref>((Cite web|url=https://www.westinghouse-brakes.com/|title=Knorr-Bremse|website=www.westinghouse-brakes.com|access-date=26 September 2019|archive-date=12 March 2020|archive-url=https://web.archive.org/web/20200312035914/https://www.westinghouse-brakes.com/|url-status=live))</ref> and Panasonic (for Midfield Extension).<ref>((Cite web|url=http://www.shunhingsi.com/en/projectreferences/transport-infrastructure/platformgate/pd2_psd_ref2_apm.aspx|title=Shun Hing Systems Integration Co., Ltd.|website=www.shunhingsi.com|access-date=26 September 2019|archive-date=26 October 2019|archive-url=https://web.archive.org/web/20191026144322/http://www.shunhingsi.com/en/projectreferences/transport-infrastructure/platformgate/pd2_psd_ref2_apm.aspx|url-status=live))</ref>  The platforms for the shuttle bus service between the [[Chek Lap Kok Airport#T1 Satellite Concourse|North Satellite Concourse]] and the East Hall of Terminal One at the HKIA, Chek Lap Kok, the New Territories and the bus platforms in [[Yue Man Square]] in Kwun Tong, New Kowloon<ref>((cite web | url=https://www.ura.org.hk/en/news-centre/press-releases/20210401 | title=Yue Man Square Public Transport Interchange of URA's Kwun Tong Town Centre Project commences operation tomorrow | access-date=17 May 2022 | archive-date=28 January 2022 | archive-url=https://web.archive.org/web/20220128052101/https://www.ura.org.hk/en/news-centre/press-releases/20210401 | url-status=live ))</ref> are also retrofitted with PSDs. After it reopened on 27 August 2022, the [[Peak Tram]] was retrofitted with platform edge doors on the boarding side of the terminus stations.

=== India ===
On the [[Delhi Metro]], all stations on the [[Delhi Airport Metro Express]] line, which links to [[Indira Gandhi International Airport]] have been equipped with full-height platform screen doors since 2011 and the six busiest stations on the [[Yellow Line (Delhi Metro)|Yellow Line]] have also been equipped with half height platform gates.<ref>((cite web |title=Media Kit - Airport Express |url=http://www.delhiairportexpress.com/media/media_kit.html |publisher=Reliance Airport Express Metro |access-date=9 November 2011 |url-status=dead |archive-url=https://web.archive.org/web/20110829084857/http://www.delhiairportexpress.com/media/media_kit.html |archive-date=29 August 2011))</ref><ref>((cite news|url=http://ibnlive.in.com/news/soon-delhi-metro-to-have-trains-that-run-without-drivers/540720-3-244.html|archive-url=https://web.archive.org/web/20150421193831/http://ibnlive.in.com/news/soon-delhi-metro-to-have-trains-that-run-without-drivers/540720-3-244.html|url-status=dead|archive-date=2015-04-21|title=Delhi Metro to have driver less trains))</ref> Automatic platform gates on all the stations of the [[Pink Line (Delhi Metro)|Pink]], [[Magenta Line (Delhi Metro)|Magenta Line]] and [[Grey Line (Delhi Metro)|Grey Line]].

Platform screen doors are also used in all underground stations of the [[Chennai Metro]].<ref>((Cite news|url=http://www.thehindu.com/news/cities/chennai/platform-screen-doors-to-be-installed-in-metro-stations/article8501355.ece|title=Platform screen doors to be installed in Metro stations|last=Sekar|first=Sunitha|work=The Hindu|access-date=21 May 2017|language=en|archive-date=9 August 2020|archive-url=https://web.archive.org/web/20200809180612/https://www.thehindu.com/news/cities/chennai/platform-screen-doors-to-be-installed-in-metro-stations/article8501355.ece|url-status=live))</ref>

There are platform screen doors in all elevated stations of [[Kolkata Metro Line 2]]. Platform screen doors will be introduced in underground stations of Kolkata Metro Line 2, [[Kolkata Metro Line 3]], [[Kolkata Metro Line 6]]. There are plans to install platform screen doors also in [[Kolkata Metro Line 1]].<ref>((cite news|title=Metro to get platform screen doors|url=http://articles.timesofindia.indiatimes.com/2011-01-05/kolkata/28368281_1_metro-stations-metro-railway-kolkata-metro|archive-url=https://web.archive.org/web/20131111001312/http://articles.timesofindia.indiatimes.com/2011-01-05/kolkata/28368281_1_metro-stations-metro-railway-kolkata-metro|url-status=dead|archive-date=11 November 2013|access-date=9 November 2011|newspaper=[[The Times of India]]|date=5 January 2011))</ref>

All the stations of under-construction [[Hyderabad Airport Express Metro]] will have a provision of half-height platform screen doors (PSD) for improved passenger safety.<ref>((cite news|url=https://www.thehindu.com/news/national/telangana/airport-metro-to-have-seating-better-aesthetics-and-an-aerodynamic-model/article66239179.ece|title=Airport Metro to have seating, better aesthetics and an aerodynamic model|website=[[The Hindu]]|date=8 December 2022|access-date=11 December 2022|archive-date=11 December 2022|archive-url=https://web.archive.org/web/20221211153042/https://www.thehindu.com/news/national/telangana/airport-metro-to-have-seating-better-aesthetics-and-an-aerodynamic-model/article66239179.ece|url-status=live))</ref> On the [[Namma Metro]] in [[Bangalore]], platform doors will be installed for its phase II operations and is expected to be completed by 2019.<ref>((Cite news|url=https://www.thehindu.com/todays-paper/tp-national/delhi-metro-to-get-platform-screen-doors-by-nov-2015/article6270447.ece|title=Delhi Metro to get platform screen doors by Nov. 2015|first=Sowmiya|last=Ashok|newspaper=The Hindu|date=1 August 2014|via=www.thehindu.com|access-date=29 September 2021|archive-date=29 September 2021|archive-url=https://web.archive.org/web/20210929080501/https://www.thehindu.com/todays-paper/tp-national/delhi-metro-to-get-platform-screen-doors-by-nov-2015/article6270447.ece|url-status=live))</ref> The [[Electronic City metro station]] in southern Bengaluru, on the [[Yellow Line (Namma Metro)|Yellow Line]], will be the first Namma Metro station to have platform screen doors installed.<ref>((Cite news |date=2023-07-29 |title=Metro stn at E-City will be 1st to have platform screen doors |work=The Times of India |url=https://timesofindia.indiatimes.com/city/bengaluru/metro-stn-at-e-city-will-be-1st-to-have-platform-screen-doors/articleshow/102221474.cms?from=mdr |access-date=2023-07-31 |issn=0971-8257))</ref>

On the [[Mumbai Metro]], all lines being made by [[Mumbai Metropolitan Region Development Authority|MMRDA]] will have half-height platform screen doors on all elevated stations and full-height platform screen doors in the underground stations, as the trains used in these lines have a [[Automatic train operation|GoA level 4]], and also to reduce risk of passenger deaths by overcrowding. In [[Line 2 (Mumbai Metro)|Line 2A, The Yellow Line]], [[Line 7 (Mumbai Metro)|Line 7A, The Red Line]] and [[Line 3 (Mumbai Metro)|Line 3, the Aqua line]], will have full-height platform screen doors, as the line is fully underground, and like the MMRDA lines above, will have GoA level 4 (Unattended train operation).<ref>((Cite web|date=2021-02-27|title=PSD Installation Begins at Mumbai Metro Line-2A's Stations|url=https://themetrorailguy.com/2021/02/27/psd-installation-begins-at-mumbai-metro-line-2as-stations/|access-date=2021-04-21|website=The Metro Rail Guy|language=en-US|archive-date=12 April 2021|archive-url=https://web.archive.org/web/20210412180541/https://themetrorailguy.com/2021/02/27/psd-installation-begins-at-mumbai-metro-line-2as-stations/|url-status=live))</ref><ref>((Cite web|date=2021-04-19|title=Alstom Wins Mumbai Metro Line-4's Signaling & PSD Contract|url=https://themetrorailguy.com/2021/04/19/alstom-wins-mumbai-metro-line-4s-signaling-psd-contract/|access-date=2021-04-21|website=The Metro Rail Guy|language=en-US|archive-date=19 April 2021|archive-url=https://web.archive.org/web/20210419140955/https://themetrorailguy.com/2021/04/19/alstom-wins-mumbai-metro-line-4s-signaling-psd-contract/|url-status=live))</ref><ref>((Cite web|date=2021-03-02|title=Mumbai Metro Line-7's 1st Platform Screen Door Installed|url=https://themetrorailguy.com/2021/03/02/mumbai-metro-line-7s-1st-platform-screen-door-installed/|access-date=2021-04-21|website=The Metro Rail Guy|language=en-US|archive-date=12 April 2021|archive-url=https://web.archive.org/web/20210412190854/https://themetrorailguy.com/2021/03/02/mumbai-metro-line-7s-1st-platform-screen-door-installed/|url-status=live))</ref><ref>((Cite web|last=Shah|first=Narendra|date=2018-12-10|title=Alstom signs signalling, PSD & Telecom contract of Mumbai Metro Line 3|url=https://www.metrorailnews.in/alstom-to-provide-cbtc-signalling-system-for-mumbai-metro-line-3/|access-date=2021-04-21|website=Metro Rail News|language=en-US|archive-date=23 April 2021|archive-url=https://web.archive.org/web/20210423225156/https://www.metrorailnews.in/alstom-to-provide-cbtc-signalling-system-for-mumbai-metro-line-3/|url-status=live))</ref>

All underground stations on the [[Pune Metro]] will have platform screen doors.<ref>((Cite web|date=2021-11-06|title=Maha Metro invites tender for Supply and Commissioning of Platform Screen Doors System|url=https://news.railanalysis.com/maha-metro-invites-tender-for-supply-and-commissioning-of-platform-screen-doors-system/|access-date=2022-01-23|website=Rail Analysis India|language=en-US|archive-date=23 January 2022|archive-url=https://web.archive.org/web/20220123162549/https://news.railanalysis.com/maha-metro-invites-tender-for-supply-and-commissioning-of-platform-screen-doors-system/|url-status=live))</ref>

<gallery widths="160" heights="100">
File:Chennai Underground metrostation with India's first Platform Screen Doors.jpg|Full-height platform screen doors installed in [[Chennai Metro]]'s underground [[List of Chennai metro stations|stations]]
File:Delhi Metro - Magenta Line.jpg|Half-height automatic platform doors in [[Okhla Bird Sanctuary metro station|Okhla Bird Sanctuary Station]] of the [[Delhi Metro]]'s [[Magenta Line (Delhi Metro)|Magenta Line]].
File:Salt_Lake_Stadium_Merto_Station_19.jpg|Half-height platform doors in [[Kolkata Metro]]'s [[Kolkata Metro Line 2|Line 2]]
</gallery>

=== Indonesia ===
The [[Soekarno–Hatta Airport Skytrain]], opened in 2017, has full-height platform screen doors. The [[Jakarta MRT]], opened in 2019, has full-height PSDs in underground stations and half-height PSDs in elevated stations. The [[Jakarta LRT]], opened in 2019, has half-height PSDs. The [[Greater Jakarta LRT]], which opened in 2023, has half-height platform screen doors.<ref>((cite news |last1=Farozy |first1=Ikko Haidar |title=Platform Screen Doors: Teknologi Pengamanan Pengguna Jasa Moda Transit Massal |url=https://redigest.web.id/2021/05/platform-screen-doors-teknologi-pengamanan-pengguna-jasa-moda-transit-massal/#.YodTGFRBxPY |access-date=20 May 2022 |work=Railway Enthusiast Digest |date=3 May 2021 |language=id-ID |archive-date=20 January 2022 |archive-url=https://web.archive.org/web/20220120175641/https://redigest.web.id/2021/05/platform-screen-doors-teknologi-pengamanan-pengguna-jasa-moda-transit-massal/#.YodTGFRBxPY |url-status=live ))</ref> PSDs are used in some [[TransJakarta]] bus stops, but they are often broken and have to be turned off.<ref>((cite news |last1=Fasubkhanali |title=Wujud 'Platform Screen Doors' Baru di Halte Transjakarta Karet |url=https://www.kaorinusantara.or.id/newsline/125348/wujud-platform-screen-doors-baru-di-halte-transjakarta-karet |access-date=20 May 2022 |work=KAORI Nusantara |date=24 February 2019 |language=id-ID |archive-date=20 May 2022 |archive-url=https://web.archive.org/web/20220520084647/https://www.kaorinusantara.or.id/newsline/125348/wujud-platform-screen-doors-baru-di-halte-transjakarta-karet |url-status=live ))</ref><ref>((cite news |last1=Bimoprasetyo |title=Halte Transjakarta Bundaran HI Kembali Beroperasi |url=https://www.kaorinusantara.or.id/newsline/127161/halte-transjakarta-bundaran-hi-kembali-beroperasi |access-date=20 May 2022 |work=KAORI Nusantara |date=27 March 2019 |language=id-ID |archive-date=16 July 2022 |archive-url=https://web.archive.org/web/20220716170657/https://www.kaorinusantara.or.id/newsline/127161/halte-transjakarta-bundaran-hi-kembali-beroperasi |url-status=live ))</ref>

<gallery widths="160" heights="100">
File:Soetta Skytrain 6.jpg|Platform screen doors at one of [[Soekarno–Hatta Airport Skytrain|SHIA Skytrain]] station
File:Soekarno–Hatta International Airport Sta.04.jpg|Platform screen doors at [[SHIA railway station]]
File:Jakarta MRT train departing from ASEAN MRT Station.jpg|Half-height doors at [[ASEAN MRT station]]
File:TransJakarta Bundaran HI Half Height Door.jpg|Half-height doors at [[TransJakarta]] Bundaran HI station
</gallery>

===Ireland===
The future [[MetroLink (Dublin)|Dublin MetroLink]] shall have platform screen doors. ((Cn|date=February 2024))

=== Israel ===
((Unreferenced section|date=February 2024))[[File:תחנת יהודית.jpg|thumb|Full-height doors at the Yehudit station on Tel Aviv Light Rail]]The underground stations on the [[Red Line (Tel Aviv Light Rail)|Red Line]] on the [[Tel Aviv Light Rail]] have full height Platform screen doors. Also, Elifelet, Shenkar and Kiryat Arye stations have half-height Platform screen doors.
=== Italy ===
((Unreferenced section|date=October 2023))<gallery widths="160" heights="100">
File:Monte Compatri-Pantano.jpeg|Platform screen doors at the [[Monte Compatri-Pantano (Rome Metro)|Monte Compatri-Pantano]] station on [[Rome Metro]]'s [[Line C (Rome Metro)|Line C]]
File:Brescia metro Stazione FS stairs 2013.jpg|Stazione FS station In [[Brescia Metro]]
File:Linea 5 lilla - metropolitana di Milano - Stazione Garibaldi.JPG|[[Garibaldi FS (Milan Metro)|Garibaldi FS]] In [[Milan Metro Line 5]]
</gallery>

Platform screen doors are used in most newly built rapid transit lines and systems of new construction in [[Italy]]. PSDs are present on [[Turin Metro]], the [[Venice People Mover]], the [[Minimetrò|Perugia Minimetrò]], the [[Brescia Metro]], [[Milan Metro Line 5|Line 5]] of the [[Milan Metro]], Marconi Express [[Bologna]], [[Pisa Mover]] (linking Pisa airport and Pisa Centrale station) and [[Line C (Rome Metro)|Line C]] of the [[Rome Metro]].

===Japan===
[[File:Shirokanetakanawa Station-platform 2007.JPG|thumb|Full-height doors on [[Tokyo Metro Namboku Line]] and [[Toei Mita Line]]]]
[[File:Osaka-Station Umekita Home Door6.jpg|thumb|right|Platform screen doors at the [[Ōsaka Station]]]]
The [[Tokyo Metro]] and [[Toei Subway]] began using barriers with the 1991 opening of the [[Tokyo Metro Namboku Line|Namboku Line]] (which has full-height platform screen doors), and subsequently installed automatic platform gates on the [[Toei Mita Line|Mita]], [[Tokyo Metro Marunouchi Line|Marunouchi]], and [[Tokyo Metro Fukutoshin Line|Fukutoshin]] lines. Some railway lines, including the subway systems in [[Sapporo Municipal Subway|Sapporo]], [[Sendai Subway|Sendai]], [[Nagoya Municipal Subway|Nagoya]], [[Osaka Municipal Subway|Osaka]], [[Kyoto Municipal Subway|Kyoto]], and [[Fukuoka City Subway|Fukuoka]], also utilize barriers to some extent.

In August 2012, the Japanese government announced plans to install barriers at stations used by 100,000 or more people per day, and the [[Ministry of Land, Infrastructure, Transport and Tourism (Japan)|Ministry of Land, Infrastructure, Transport and Tourism]] allotted 36 million yen ($470,800) for research and development of the system the 2011-2012 fiscal year. A difficulty was the fact that some stations are used by different types of trains with different designs, making barrier design a challenge.<ref>[[Asahi Shimbun]] [http://ajw.asahi.com/article/behind_news/AJ2011101915245 Keeping commuters safe; mobile station barriers 20 October 2011] ((webarchive|url=https://web.archive.org/web/20131111002918/http://ajw.asahi.com/article/behind_news/AJ2011101915245 |date=11 November 2013 ))</ref>

((As of|2012|11)), only 34 of 235 stations with over 100,000 users per day were able to implement the plan. The ministry stated that 539 of approximately 9,500 train stations across Japan have barriers. Of the Tokyo Metro stations, 78 of 179 have some type of platform barrier.<ref>((cite news | work=[[Daily Yomiuri]] | url=http://www.yomiuri.co.jp/dy/national/T121112003592.htm | title=Progress stalls on installing platform barriers at train stations nationwide | date=13 November 2012 | first=Kota | last=Ushijima | access-date=29 October 2017 | url-status=dead | archive-url=https://archive.today/20130218152037/http://www.yomiuri.co.jp/dy/national/T121112003592.htm | archive-date=18 February 2013 | df=dmy-all ))</ref>((update inline|date=June 2019))

In 2018, automatic platform gates were installed on the [[Sōbu Line (Rapid)|Sōbu Rapid Line]] platforms at ((STN|Shin-Koiwa)). As the line's trains are ((convert|300|m|ft|abbr=on)) long, the set of platform gates broke the world record for the longest platform doors at [[East Tsim Sha Tsui station]] in Hong Kong.<ref>15 car trains at 20m lengths, totaling approximately 300m</ref><ref>((Cite web|url=https://response.jp/article/2017/01/27/289383.html|title=新小岩駅の総武快速線ホームドア、2月以降に着工 2018年度使用開始|website=レスポンス（Response.jp）|date=27 January 2017 |access-date=29 September 2021|archive-date=29 September 2021|archive-url=https://web.archive.org/web/20210929080459/https://response.jp/article/2017/01/27/289383.html|url-status=live))</ref>

In March 2023, the underground facilities at Osaka Station (nicknamed ''Ume-kita'' during planning and construction) opened. The platforms for the Haruka and Kuroshio limited express services have movable full-screen automated platform doors that cover the entire platform from the edge to the ceiling and such doors are the first of its kind.<ref name="gov-online.go.jp"/><ref>((Cite web |last=Staff |first=Salam Groovy Japan |date=2022-07-07 |title=New Osaka station to get world's first mobile platform doors in spring 2023 ((!)) ((!)) Salam Groovy Japan |url=https://www.groovyjapan.com/en/umekita-3/ |access-date=2023-05-20 |language=en-US))</ref>

===Malaysia===
((Unreferenced section|date=October 2023))

Platform screen doors (PSD) are installed at all underground ((lnl|KLRT|5)) stations, from ((lrts|Ampang Park)) to ((lrts|Masjid Jamek)), ((lnl|KLRT|9)), from ((mrts|Muzium Negara)) to ((stn|Maluri)) stations and ((lnl|KLRT|12)), from ((mrts|Sentul Barat)) to ((stn|Chan Sow Lin)). The automated announcement message reading "For safety reasons, please stand behind the yellow line" in both [[English language|English]] and [[Malay language|Malay]] languages are also heard before the train arrived at all stations.

There are also platform screen doors (PSD) on the [[KLIA Ekspres]] at [[Kuala Lumpur Sentral]] and [[Kuala Lumpur International Airport ERL station|KLIA]] stations. Both stations at [[Aerotrain (KLIA)|KLIA Aerotrain]] also have platform screen doors.

The Platform screen gates (PSG) also have been installed in all elevated and subsurface stations of the ((lnl|KLRT|9)), ((lnl|KLRT|8)) and ((lnl|KLRT|12)).

<gallery widths="160" heights="100">
File:Kelana Jaya Line KLCC.jpg|PSD at ((lrts|KLCC)) station
File:Tun Razak Exchange MRT Station platform 4 (230319).jpg|PSD at ((mrts|Tun Razak Exchange)) station
File:KLIA ERL Station PSD (211128) 01.jpg|PSD at [[KLIA ERL station|KLIA]]
File:KLIA Aerotrain2.jpg|PSD at [[KLIA]] Satellite A Building
File:Semantan MRT Station platform (240110) 02.jpg|PSD at ((stn|Semantan)) station
Sri Damansara Sentral MRT Station (PY07) Platform Level (221113) 1.jpg|PSD at ((mrts|Sri Damansara Sentral)) station
</gallery>

=== Mexico ===
((Unreferenced section|date=October 2023))[[File:Estacion Bella Vista Ecovía.jpg|thumb|Platform screen doors on the [[Ecovía]] BRT system in Monterrey]]
[[File:Estación del Macrobús.jpg|thumb|Platform screen doors at a [[Guadalajara Macrobús]] station]]
Platform screen doors are present at various bus rapid transit systems in Mexico, such as at the stations of the Guadalajara [[Guadalajara Macrobús|Macrobús]] and the [[Ecovía]] system of Monterrey. Platform screen doors can be seen as well on the [[Aerotrén]], an airport people mover at [[Mexico City International Airport]]. No metros in Mexico currently use any type of barrier however.((Clear))

=== Pakistan ===
((Unreferenced section|date=October 2023))

The [[Lahore Metro]] utilises half-height platform edge doors at elevated stations and full-height platform screen doors at underground stations. Many [[bus rapid transit]] systems have full-height platform screen doors installed, including the [[Lahore Metrobus]], [[Rawalpindi-Islamabad Metrobus]], [[Multan Metrobus]], [[TransPeshawar]], and [[Karachi Breeze]].

=== Philippines ===
Half-height platform screen doors shall be installed on the [[North–South Commuter Railway]],<ref name=":8">((Cite web|url=https://www.jica.go.jp/english/our_work/social_environmental/id/asia/southeast/philippines/c8h0vm0000bk9u4d-att/c8h0vm0000dhvs1p.pdf|title=FEASIBILITY STUDY ON THE NORTH SOUTH RAILWAY PROJECT-SOUTH LINE (COMMUTER)(NORTH-SOUTH COMMUTER RAILWAY EXTENSION PROJECT) IN THE REPUBLIC OF THE PHILIPPINES|last=Department of Transportation The Republic of the Philippines|date=October 2018|website=jica.go.jp|access-date=10 June 2021|archive-date=11 April 2021|archive-url=https://web.archive.org/web/20210411032614/https://www.jica.go.jp/english/our_work/social_environmental/id/asia/southeast/philippines/c8h0vm0000bk9u4d-att/c8h0vm0000dhvs1p.pdf|url-status=live))</ref> while full-height platform screen doors shall be installed on the [[Metro Manila Subway]].<ref>((Cite web |title=METRO MANILA SUBWAY PROJECT PHASE 1 |url=https://dotr.gov.ph/component/k2/item/881-metro-manila-subway-project-phase-1-package-cp101-three-undergroundstations-quirino-highway-tandand-sora-north-aveneu-tunnelsand-depot-construction-depot-equipment-and-buildings.html |publisher=[[Department of Transportation (Philippines)]] |date=December 2019 |access-date=10 June 2021 |archive-date=10 June 2021 |archive-url=https://web.archive.org/web/20210610071423/https://dotr.gov.ph/component/k2/item/881-metro-manila-subway-project-phase-1-package-cp101-three-undergroundstations-quirino-highway-tandand-sora-north-aveneu-tunnelsand-depot-construction-depot-equipment-and-buildings.html |url-status=live )) (Refer to Report CPCP106: E&M SYSTEMS AND TRACK WORKS Volume II of IV PART 2: "EMPLOYER'S REQUIREMENTS")</ref> The system is sought to open in stages between 2023 and 2025.

=== Peru ===
Full-height platform screen doors will be used in underground stations of Line 2 of the [[Lima Metro]], which opened in 2023.<ref>((Cite web|title=Finmeccanica wins a USD 1.2 billion contract for Lima Metro|url=https://www.leonardocompany.com/en/press-release-detail/-/detail/finmeccanica-sts-lima|access-date=2021-10-08|website=www.leonardocompany.com|language=en-US|archive-date=8 October 2021|archive-url=https://web.archive.org/web/20211008011520/https://www.leonardocompany.com/en/press-release-detail/-/detail/finmeccanica-sts-lima|url-status=live))</ref>((Needs update|date=October 2023))

=== Qatar ===
Platform screen doors are in use in all stations of the [[Doha Metro]].<ref>((Cite web|url=https://gulf-times.com/story/587122|title=Platform screen doors installed at Metro station|date=30 March 2018|website=Gulf-Times|language=ar|access-date=17 December 2019|archive-date=17 December 2019|archive-url=https://web.archive.org/web/20191217134432/https://www.gulf-times.com/story/587122|url-status=live))</ref> They are also found on the [[Lusail Tram|Lusail tram]].

=== Romania === 
Platform screen doors shall be used on the future [[Cluj-Napoca Metro]].((Cn|date=February 2024)) 

=== Russia ===
[[Park Pobedy (Saint Petersburg Metro)|Park Pobedy]] (Russian: Парк Победы) is a station of the [[Saint Petersburg Metro]] that was the first station in the world with platform doors. The station was opened in 1961. Later, nine more stations of this type were built in [[Leningrad]] (nowadays [[Saint Petersburg]]): [[Petrogradskaya]] (Russian: Петроградская), [[Vasileostrovskaya]] (Russian: Василеостровская), [[Gostiny Dvor (Saint Petersburg Metro)|Gostiny Dvor]] (Russian: Гостиный двор), [[Mayakovskaya (Saint Petersburg Metro)|Mayakovskaya]] (Russian: Маяковская), [[Ploshchad Alexandra Nevskogo I]] (Russian: Площадь Александра Невского-1), [[Moskovskaya (Saint Petersburg Metro)|Moskovskaya]] (Russian: Московская), [[Yelizarovskaya (Saint Petersburg Metro)|Yelizarovskaya]] (Russian: Елизаровская), [[Lomonosovskaya (Saint Petersburg Metro)|Lomonosovskaya]] (Russian: Ломоносовская), and [[Zvyozdnaya]] (Russian: Звёздная).

There was an electronic device to ensure that the train stopped with its doors adjacent to the platform doors; they were installed so that driverless trains could eventually be used on the lines.<ref>((cite magazine |editor-first=B.W.C. |editor-last=Cooke |date=November 1959 |title=Sliding Doors on Platform Edge |magazine=[[The Railway Magazine]] |volume=105 |issue=703 |page=796 |publisher=Tothill Press |location=Westminster ))</ref> Line 2 uses GoA2 [[automatic train operation]] to make this easier, however, Line 3 does not. Unlike other platform screen doors, which are lightweight units with extensive glazing installed on a normal platform edge, the St Petersburg units give the appearance of a solid wall with heavyweight doorways and solid steel sliding doors, similar to a bank of elevators in a large building, and the train cannot be seen entering from the platform; passengers become familiar with the sound alone to indicate a train arrival.

In May 2018, two other similar stations were opened: [[Zenit (Saint Petersburg Metro)|Novokrestovskaya (now Zenit)]] and [[Begovaya (Saint Petersburg Metro)|Begovaya]]. Unlike the first ten stations that were built, these stations utilize glass screen doors, allowing the train to be seen entering from the platform, like most other systems. It is unclear why platform doors were installed here as they are absent in all other metros in Russia, the [[Commonwealth of Independent States|CIS]] (except that of Minsk, shown above), or the former [[Eastern Bloc|Eastern bloc]] (excluding Sofia, also shown above, albeit on a line with equipment incompatible with that of the typical Eastern bloc metro).

The only other platform doors in Russia are found on the [[Sheremetyevo International Airport]] people mover.
<gallery widths="160" heights="100">
File:Metro_SPB_Line3_Begovaya_Station_Hall.jpg|Hall of Begovaya station in [[Saint Petersburg Metro]]
File:Metro_SPB_Line2_Petrogradskaya.jpg|Hall of Petrogradskaya station in [[Saint Petersburg Metro]]
File:SPB_Novokrestovskaya_metro_station_asv2018-07.jpg|Novokrestovskaya metro station in [[Saint Petersburg Metro]]
</gallery>

===Saudi Arabia=== 
The [[Al Mashaaer Al Mugaddassah Metro line]] in Mecca uses full platform screen doors, the [[Riyadh Metro]] which will open in Early 2024 will have platform screen doors 

=== Serbia === 
The future [[Belgrade Metro]] will have platform screen doors in some stations.((Cn|date=February 2024))

===Singapore===
The [[Mass Rapid Transit (Singapore)|Mass Rapid Transit]] (MRT) was the first [[rapid transit]] system in Asia to incorporate platform screen doors in its stations in 1987.<ref>[http://www.platformscreendoors.com/psd/projects/massrapid.php Westinghouse Platform Screen Doors - Completed Projects] ((webarchive |url=https://web.archive.org/web/20080213223641/http://www.platformscreendoors.com/psd/projects/massrapid.php |date=13 February 2008 ))</ref> Full height PSDs mainly manufactured by [[Westinghouse Rail Systems|Westinghouse]] are installed at all underground MRT and sub-surface stations, while half-height platform screen doors were retrofitted into all elevated stations by March 2012. The [[Light Rail Transit (Singapore)|LRT stations]] at [[Bukit Panjang LRT line|Bukit Panjang]], [[Sengkang LRT line|Sengkang]] and [[Punggol LRT line|Punggol]] lack physical doors, only barriers with openings where the doors go (excluding the now-closed [[Ten Mile Junction LRT station|Ten Mile Junction station]], which had full height doors) and vary in size according to their location on the platform.((citation needed|date=September 2021))

There are two variants of the full-height platform screen doors in use. The first variant, made by Westinghouse, was installed at all underground stations along the [[North South MRT line|North South line]] and the [[East West MRT line|East West line]] from 1987 to the completion of the initial system in 1990. The second variant incorporating more glass on the doors has since been used on all lines thereafter.((citation needed|date=September 2021))

Considered a novelty at the time of its installation, platform screen doors were introduced primarily to minimise hefty air-conditioning costs, especially since elevated stations are not air-conditioned and are much more economical to run in comparison.<ref name="Intelligent Transport" /> The safety aspects of these doors became more important in light of high-profile incidents where individuals were injured or killed by oncoming trains.<ref>((Cite web |last=NEE |first=Insight Down South SEAH CHIANG |title=Suicide rate climbs despite good times |url=https://www.thestar.com.my/opinion/letters/2007/08/18/suicide-rate-climbs-despite-good-times |access-date=2022-07-16 |website=The Star |language=en |archive-date=16 July 2022 |archive-url=https://web.archive.org/web/20220716165314/https://www.thestar.com.my/opinion/letters/2007/08/18/suicide-rate-climbs-despite-good-times/ |url-status=live ))</ref> In 2008, authorities began the process of retrofitting existing elevated stations with half-height screen doors.<ref>((Cite web |title=Platform screen doors for all above-ground MRT stations by 2012 |url=https://www.asiaone.com/News/AsiaOne+News/Singapore/Story/A1Story20080125-46683.html |access-date=2022-07-16 |website=www.asiaone.com |archive-date=16 July 2022 |archive-url=https://web.archive.org/web/20220716171833/https://www.asiaone.com/News/AsiaOne+News/Singapore/Story/A1Story20080125-46683.html |url-status=live ))</ref> However, [[Land Transport Authority]] stated that the retrofit was not motivated by the need to make the stations safe, "but to prevent system-wide delay and service disruption and to reduce the social cost to all commuters caused by track intrusions."<ref>((Caselaw source|case=[2013] SGHC 286 - BNJ (suing by her lawful father and litigation representative, B) v SMRT Trains Ltd and another|other_source1=eLitigation|other_url1=https://www.elitigation.sg/gdviewer/s/2013_SGHC_286))</ref> The retrofit was completed in 2012.<ref>((Cite web |title=LTA completes installing elevated MRT station screen doors early |url=https://www.channelnewsasia.com/singapore/lta-completes-installing-elevated-mrt-station-screen-doors-early-1890761 |access-date=2022-07-16 |website=CNA |language=en |archive-date=16 July 2022 |archive-url=https://web.archive.org/web/20220716172025/https://www.channelnewsasia.com/singapore/lta-completes-installing-elevated-mrt-station-screen-doors-early-1890761 |url-status=live ))</ref>

<gallery widths="160" heights="100">
File:NS26 rafflesplace.jpg|The first generation of platform screen doors at [[Raffles Place MRT station|Raffles Place station]], on the [[North South MRT line|North South line]]
File:Woodleigh MRT Station.JPG|Second-generation platform doors at [[Woodleigh MRT station|Woodleigh station]] on the [[North East MRT line|North East line]]
File:PasirRisMRTStation.JPG|Half-height platform screen doors at [[Pasir Ris MRT station|Pasir Ris]] station on the [[East West MRT line|East West line]]
File:CT251 train arriving at Woodlands MRT station 160521.jpg|Newest generation platform screen doors at [[Woodlands MRT station]], on the [[Thomson-East Coast MRT line|Thomson-East Coast line]]
File:CC5 Nicoll Highway MRT Platform B 20210423 122635.jpg|Full-height platform screen doors on Platform B of [[Nicoll Highway MRT station]] on the [[Circle MRT line|Circle line]]
</gallery>

===South Korea===
<gallery widths="160" heights="100">
File:907 Gayang 02.JPG|Full-height platform screen doors in [[Seoul Subway Line 9]] [[Gayang Station]]
File:Seoul Station (Seoul metro) 002.jpg|Full-height platform screen doors in [[Seoul Subway Line 1]] [[Seoul Station]]
File:Namsan Gyemyeongnegeori Station 20150424 160059.jpg|Half-height platform screen doors in [[Daegu Subway Line 3]] [[Namsan Station (Daegu)|Namsan Station]]
</gallery>

[[Yongdu station]] of [[Seoul Subway Line 2]] was the first station on the [[Seoul Subway]] to feature platform screen doors; the station opened in October 2005. By the end of 2009, many of the 289 stations operated by [[Seoul Metro]] had platform doors by Hyundai Elevator.<ref>((Cite web|url=https://cafe.daum.net/_c21_/bbs_search_read?grpid=1GrtI&fldid=3ZWl&datanum=46&openArticle=true&docid=1GrtI3ZWl4620090815211946|title=[5678 NEWS] 제4회 부산국제철도 및 물류산업전(RailLog Korea 2009|website=행복미소 장지역 - Daum 카페|access-date=29 September 2021|archive-date=29 September 2021|archive-url=https://web.archive.org/web/20210929080504/https://cafe.daum.net/_c21_/bbs_search_read?grpid=1GrtI&fldid=3ZWl&datanum=46&openArticle=true&docid=1GrtI3ZWl4620090815211946|url-status=live))</ref> Seoul Metro Lined [[Seoul Subway Line 1|1]], 2, [[Seoul Subway Line 3|3]], [[Seoul Subway Line 4|4]], [[Seoul Subway Line 5|5]], [[Seoul Subway Line 6|6]], [[Seoul Subway Line 7|7]], [[Seoul Subway Line 8|8]] and [[Seoul Subway Line 9|9]] were equipped with platform screen doors. Most of the stations operated by [[Korail]] have completed installation, but some of the stations are not yet equipped with platform screen doors. All stations in [[South Korea]] (except for [[Dorasan Station]]) will have platform screen doors by 2023.<ref>[http://news.hankooki.com/lpage/society/201301/h2013011402313721950.htm 잇단 투신에도...국철 스크린도어 설치는 '서행'] Hankooki.com (in Korean) ((webarchive |url=https://web.archive.org/web/20130114112650/http://news.hankooki.com/lpage/society/201301/h2013011402313721950.htm |date=14 January 2013 ))</ref>((Update inline|date=November 2021)) As of 2017, 100% of subway stations are equipped with platform screen doors in [[Daejeon]], [[Gwangju]], [[Busan]], [[Incheon]] and [[Daegu]].<ref>[http://www.anewsa.com/detail.php?number=439272&thread=11r02 문병호 의원, 기존 전철역에도 스크린도어 설치 국비지원을 스크린도어 설치로 인한 자살예방 효과 탁월] ((Webarchive|url=https://web.archive.org/web/20210513210347/http://www.anewsa.com/detail.php?number=439272&thread=11r02 |date=13 May 2021 )) Asia News Agency (in Korean)</ref>

The platform screen doors, installed in [[Munyang station]] in [[Daegu Metro Line 2]] by [[The Korea Transport Institute]] in 2013, have a unique rope-based platform screen named Rope type Platform Safety Door (RPSD).<ref>((Cite web|url=https://www.yeongnam.com/web/view.php?key=20150205.010040733180001|title=1225억짜리! 공사 수주전 전국서 군침|last=노 |first=진실|last2=이|first2=현덕|date=5 February 2015|website=Yeongnam Ilbo|access-date=22 February 2021|archive-date=6 May 2021|archive-url=https://web.archive.org/web/20210506050557/https://www.yeongnam.com/web/view.php?key=20150205.010040733180001|url-status=live))</ref> A door sets of rope blocks separate the platform from the rails. When the train arrives, the rope screen door sets are vertically opened and allow passenger boarding to and from the train. This RPSD was also used in [[Nokdong station]] on [[Gwangju Metro Line 1]], but was removed in 2012, and a new full-height platform screen door was installed in 2016 instead.

===Spain===
[[File:L0.0008.JPG|thumb|right|Station of [[Barcelona Metro line 9|L9]] In [[Barcelona Metro]]]]Half platform screens were installed first in [[Provença/Diagonal station|Provença FGC station]] (Barcelona) around 2003. Later doors were tested on [[Barcelona Metro line 11]] before fitting them on all stations for the new [[Barcelona Metro line 9|lines 9]] and [[Barcelona Metro line 10|10]], which operate driverless.((citation needed|date=September 2021)) Platform screen doors were also trialed on four stations of [[Line 12 (Madrid Metro)|line 12 (MetroSur)]] of the [[Madrid Metro]] from November 2009 until January 2010.<ref>((Cite web |last=2009-11-23T17:26:00 |title=Metro de Madrid trials PSDs |url=https://www.railwaygazette.com/metro-de-madrid-trials-psds/34552.article |access-date=2023-01-03 |website=Railway Gazette International |language=en |archive-date=3 January 2023 |archive-url=https://web.archive.org/web/20230103094715/https://www.railwaygazette.com/metro-de-madrid-trials-psds/34552.article |url-status=live ))</ref> Platform doors are also found on the [[Madrid Barajas Airport People Mover]] at [[Adolfo Suárez Madrid–Barajas Airport]] and the [[Seville Metro line 1]] light metro.

=== Sweden ===
[[Stockholm commuter rail]] has platform doors on two underground stations opened in July 2017, as part of the [[Stockholm City Line]].<ref>((cite web |url=http://www.trafikverket.se/nara-dig/Stockholm/projekt-i-stockholms-lan/Citybanan/Citybanans-stationer/ |url-status=dead |archive-url=https://web.archive.org/web/20151011041458/http://www.trafikverket.se/nara-dig/Stockholm/projekt-i-stockholms-lan/Citybanan/Citybanans-stationer |archive-date=11 October 2015 |title=Citybanans stationer - Trafikverket))</ref> The [[Stockholm metro|Stockholm Metro]] will test platform doors at [[Åkeshov metro station]] in 2015 and [[Bagarmossen metro station]] in 2021, the metro stations including [[Kungsträdgården metro station]]-[[Nacka]] [[Kungsträdgården metro station]]-[[Hagsätra metro station]] will have platform screen doors when it is completed between 2026 and 2030.<ref>((Cite web|url=https://www.sll.se/verksamhet/kollektivtrafik/nyheter/2019/11/fullskaletest-av-plattformsbarriarer-pa-bagarmossens-tunnelbanestation/|title=Fullskaletest av plattformsbarriärer på Bagarmossens tunnelbanestation|access-date=16 January 2021|archive-date=22 January 2021|archive-url=https://web.archive.org/web/20210122074257/https://www.sll.se/verksamhet/kollektivtrafik/nyheter/2019/11/fullskaletest-av-plattformsbarriarer-pa-bagarmossens-tunnelbanestation/|url-status=live))</ref> As there are multiple door layouts in use on the Stockholm Metro (a full-length [[SL C20|C20]] having 21 doors on each side, and the older Cx series and newer [[SL C30|C30]] having 24), it is unlikely platform doors will be common anytime soon. The underground [[Liseberg station]] in Gothenburg has platform doors which were built before its opening 1993. The reason was safety against the freight trains that go in this tunnel. These doors are built one meter from the platform edge and do therefore not restrict the train type.<gallery widths="180">
File:Stockholm city station July 2017 01.jpg|Stockholm City commuter station
File:Liseberg-rail-station-by-BIL.jpg|Older doors at [[Liseberg railway station]] in Gothenburg
</gallery>

=== Switzerland ===
((Unreferenced section|date=October 2023))[[File:M2-Lausanne-Gare1.jpg|thumb|right|[[Lausanne Métro line 2|The M2]] Lausanne Gare station showing one of the steeply graded platforms]][[Zurich Airport|Zurich International Airport]]'s [[Skymetro]] shuttle between the main building (hosting terminals A and B) and the detached terminal E has glass screen doors separating the tracks from the passenger hall platforms at both ends.

[[Lausanne Métro line 2|Lausanne Metro's Line M2]] has glass screen doors at every station, including a rare instance where platform doors are installed on a slanted surface, as the line was previously a funicular.((Clear))

===Taiwan===
((Unreferenced section|date=October 2023))[[File:TaipeiMetro-PlatformStaff.JPG|thumb|right|Automatic Platform screen doors on the platform of the [[Tamsui–Xinyi line|Tamsui-Xinyi Line]] in [[Taipei Main Station|MRT Taipei Main Station]] ]]

On [[Taipei Metro]], platform screen doors were first installed on the [[Wenhu line]] (then known as Muzha line) in 1996. Older high-capacity MRT lines ([[Tamsui–Xinyi line|Tamsui-Xinyi Line]], [[Songshan–Xindian line|Songshan-Xindian Line]], [[Zhonghe–Xinlu line|Zhonghe-Xinlu line]], and the [[Bannan line|Bannan Line]]) were initially constructed without platform screen doors but have now been retrofitted with automatic platform gates since 2018. Newer stations, on the [[Xinyi Line|Xinyi Line (part of the Tamsui-Xinyi Line)]], [[Zhonghe–Xinlu line|Luzhou and Xinzhuang Line (part of the Zhonghe-Xinlu Line)]], [[Songshan–Xindian line|Songshan Line (part of the Songshan-Xindian Line)]], [[Circular line (Taipei Metro)|Circular line]], and [[Bannan line|part of the Bannan Line's]] [[Dingpu metro station|Dingpu Station]] and [[Taipei Nangang Exhibition Center metro station|Taipei Nangang Exhibition Center Station]]) are constructed with platform screen doors. The Circular Line have installed platform screen doors since opening, but [[Danhai Light Rail]] did not, as is typical for most street railways to not have platform doors.

On [[Kaohsiung Metro]], all underground stations have installed platform screen doors, while elevated stations did not. [[Daliao Station]] installed half-height platform screen doors in 2020.

On [[Taoyuan Metro]] and [[Taichung Metro]], all elevated stations installed half-height platform screen doors while underground stations installed full-height platform screen doors.

=== Thailand ===
((Unreferenced section|date=October 2023))[[File:BangkokSkyTrainStationSalaDaeng.jpg|thumb|[[Sala Daeng BTS Station|Sala Daeng]] sky train station, Silom, Bangkok]]

Platform screen doors were first installed on the [[BTS Skytrain]] and [[Bangkok MRT]] Systems, followed by the Airport Rail Link System in Makkasan Station (Express Platform) and Suvarnabhumi Station (both City and Express Line platforms). BTS Skytrain system first installed the platform screen doors at Siam Station, later upgrading other busy stations. Today, almost all stations on the Bangkok Electrified Rail System have installed platform screen doors to prevent people from falling onto the tracks. The BTS Skytrain has installed PSDs at 18 out of its 44 stations. PSDs have been installed at all of the stations on the Purple and Blue Lines of the Bangkok MRT system. Airport Rail Link has installed a stainless steel barrier to prevent people from falling, but has not installed full-height doors due to concerns that the high speed of the trains could break the glass((Citation needed|date=April 2023)). All new stations in Bangkok must install platform screen doors.

=== Turkey ===
((Unreferenced section|date=October 2023))


Platform doors are found on Istanbul Metro lines [[M5 (Istanbul Metro)|M5]], [[M7 (Istanbul Metro)|M7]], M8 and M11, all fully driverless. Seyrantepe station on line [[M2 (Istanbul Metro)|M2]] and F1, F3 and F4 also have platform doors.<gallery widths="180">
File:Üsküdar metro 2.jpg|Line M5 of the Istanbul Metro
File:Mecidiyeköy M7 Station.jpg|Line M7 of the Istanbul Metro
</gallery>

=== United Arab Emirates ===
((Unreferenced section|date=October 2023))

Platform screen doors are installed on all the platforms in the fully automated [[Dubai Metro]], as well as on the [[Dubai International Airport Automated People Mover|Dubai Airport People Mover]], [[Palm Jumeirah Monorail]] and [[Dubai Tram]] (the world's first tram system to feature platform screen doors).

<gallery widths="160" heights="100">
File:Dubai_metro_rail_&_station.JPG|[[Dubai Metro]] Stations
File:Metro_Dubai.JPG|[[Ibn Battuta Mall]] station on the Red line in [[Dubai Metro]]
</gallery>

===United Kingdom===
[[File:Westminster.tube.station.jubilee.arp.jpg|thumb|Platform edge doors at [[Westminster tube station|Westminster station]] on the [[Jubilee Line]] of the [[London Underground]]]]

The [[Jubilee Line Extension]] project saw platform edge doors installed on its new stations that were underground, and were produced by Westinghouse.<ref>((cite web |url=http://www.platformscreendoors.com/ |title=Westinghouse Platform Screen Doors |publisher=Platformscreendoors.com |access-date=1 August 2009 |archive-date=15 December 2018 |archive-url=https://web.archive.org/web/20181215122351/http://www.platformscreendoors.com/ |url-status=live ))</ref> There are plans to install PEDs in existing London Underground stations along the [[Bakerloo line|Bakerloo]], [[Central line (London Underground)|Central]], [[Piccadilly line|Piccadilly]], and [[Waterloo & City line|Waterloo & City]] lines as part of [[New Tube for London]].<ref>((cite web|url=http://content.tfl.gov.uk/ntfl-feasibility-report.pdf#page=18|title=New Tube for London Feasibility Report October 2014|publisher=[[Transport for London]]|website=tfl.gov.uk|date=October 2014|access-date=12 December 2016|page=18|archive-date=30 November 2016|archive-url=https://web.archive.org/web/20161130154257/http://content.tfl.gov.uk/ntfl-feasibility-report.pdf#page=18|url-status=dead))</ref> A provision for installing platform edge doors is found on the [[Northern line extension to Battersea|Northern line extension]] stations, but no doors were installed in the stations when they opened in 2021.<ref>((Cite web |last=Pidgeon |first=Caroline |date=10 June 2019 |title=Platform edge doors on the Northern Line |url=https://www.london.gov.uk/questions/2019/11986 |url-status=live |access-date=14 September 2021 |website=Mayor's Question Time |archive-date=14 September 2021 |archive-url=https://web.archive.org/web/20210914112229/https://www.london.gov.uk/questions/2019/11986 ))</ref>

PEDs are present on the [[Gatwick airport shuttle|Gatwick Airport shuttle system]], [[Heathrow Terminal 5#Satellite terminal buildings|Heathrow Airport Terminal 5 airside people-mover shuttle]], [[AirRail Link|Birmingham Airport AirRail Link]], [[Stansted Airport Transit System]] and the [[Luton DART]].

The Elizabeth line, the new cross-city line for [[London]] (delivered as the [[Crossrail]] Project) has platform screen doors on each of the sixteen sub-surface platforms of its central section.<ref>((cite web |url=https://www.crossrail.co.uk/project/routeway/platform-screen-doors |title=Floor-to-ceiling Platform Screen Doors |publisher=Crossrail |access-date=8 February 2021 |archive-date=27 February 2021 |archive-url=https://web.archive.org/web/20210227184014/https://www.crossrail.co.uk/project/routeway/platform-screen-doors |url-status=dead ))</ref> Each platform has twenty-seven doors which align with the twenty-seven saloon doors of the new [[British Rail Class 345]] which operates the service. The doors form a ((cvt|2.5|m|ftin)) high glass and steel screen the entire length of the platform. The door opening is ((cvt|2.1|m|ftin)) wide, and the system includes integrated passenger information and digital advertising screens. The system is unusual in that the trains served are full-sized commuter trains, larger and longer than the trains of metro systems more commonly equipped with platform screen doors. In total, some 4&nbsp;km of platform screen is provided.

The [[Glasgow Subway]] will have half-height screen doors after new rolling stock are introduced in 2023.<ref>((cite news|url=https://www.scotsman.com/news/transport/confrontational-talks-glasgow-subway-driverless-trains-delayed-2022-3065471|title='Confrontational' talks as Glasgow Subway driverless trains delayed to 2022|newspaper=[[The Scotsman]]|date=11 December 2020|access-date=22 December 2020|archive-date=12 December 2020|archive-url=https://web.archive.org/web/20201212070101/https://www.scotsman.com/news/transport/confrontational-talks-glasgow-subway-driverless-trains-delayed-2022-3065471|url-status=live))</ref>

=== United States ===
Platform screen doors are rare in the United States, and are nearly exclusively found on small-scale systems. Honolulu's [[Skyline (Honolulu)|Skyline]], which began operations in June 2023, is the first and only large-scale publicly-run metro system in the country to feature platform screen doors, with platform gates at every station manufactured by [[Allegion|Stanley Access Technologies]].<ref>((Cite web |title=Rail News - HART to install safety gates at 21 rail stations. For Railroad Career Professionals |url=https://www.progressiverailroading.com/safety/news/HART-to-install-safety-gates-at-21-rail-stations--37592 |url-status=live |archive-url=https://web.archive.org/web/20230117092420/https://www.progressiverailroading.com/safety/news/HART-to-install-safety-gates-at-21-rail-stations--37592 |archive-date=17 January 2023 |access-date=2023-01-17 |website=Progressive Railroading |language=en))</ref> They are also used by the general-purpose [[Las Vegas Monorail]] system.

New York City's [[Metropolitan Transportation Authority]] has not committed to installing platform screen doors in its [[New York City Subway|subway system]], though it had been considering such an idea since the 1980s.<ref>((Cite news|url=https://www.nytimes.com/2007/04/05/nyregion/05doors.html|title=2nd Ave. Subway Platforms May Get Glass Walls and Sliding Doors|last=Neuman|first=William|date=5 April 2007|newspaper=The New York Times|issn=0362-4331|access-date=12 January 2017|archive-date=22 April 2017|archive-url=https://web.archive.org/web/20170422012313/http://www.nytimes.com/2007/04/05/nyregion/05doors.html|url-status=live))</ref> Their installation presents substantial technical challenges, in part because of different placements of doors on [[New York City Subway rolling stock]].<ref>((Cite web|url=http://www.capitalnewyork.com/article/politics/2013/02/7614308/council-demands-end-mtas-subway-safety-exploratory-phase|archive-url=https://web.archive.org/web/20140323171849/http://www.capitalnewyork.com/article/politics/2013/02/7614308/council-demands-end-mtas-subway-safety-exploratory-phase|url-status=dead|title=Capitalnewyork.com|archive-date=23 March 2014|website=www.capitalnewyork.com))</ref> Additionally, the majority of the system cannot accommodate platform doors regardless of door locations, due to factors such as narrow platforms and structurally insufficient platform slabs (see ((section link|Technology of the New York City Subway|Platform screen doors))).<ref name="Rivoli 2022">((cite web | last=Rivoli | first=Dan | title=Docs show costs and challenges of subway track safety | website=Spectrum News NY1 &#124; New York City | date=January 20, 2022 | url=https://www.ny1.com/nyc/all-boroughs/news/2022/01/20/docs-shows-costs-and-challenges-of-subway-track-safety | access-date=January 26, 2022 | archive-date=27 January 2022 | archive-url=https://web.archive.org/web/20220127044513/https://www.ny1.com/nyc/all-boroughs/news/2022/01/20/docs-shows-costs-and-challenges-of-subway-track-safety | url-status=live ))</ref><ref>((cite web | title=Politicians call for subway platform gates after fatal New York crimes | website=Trains | date=January 25, 2022 | url=https://www.trains.com/trn/news-reviews/news-wire/politicians-call-for-subway-platform-gates-after-fatal-new-york-crimes/ | language=en | access-date=January 26, 2022 | archive-date=26 January 2022 | archive-url=https://web.archive.org/web/20220126174211/https://www.trains.com/trn/news-reviews/news-wire/politicians-call-for-subway-platform-gates-after-fatal-new-york-crimes/ | url-status=live ))</ref>  Following a series of incidents during one week in November 2016, in which three people were injured or killed after being pushed into tracks, the MTA started to consider installing platform edge doors for the [[42nd Street Shuttle]].<ref>((Cite web|url=https://nypost.com/2016/11/15/mta-boss-makes-another-push-for-subway-platform-doors/|title=MTA boss makes another push for subway platform doors|last=Furfaro|first=Danielle|date=15 November 2016|website=New York Post|access-date=16 November 2016|archive-date=16 November 2016|archive-url=https://web.archive.org/web/20161116155841/http://nypost.com/2016/11/15/mta-boss-makes-another-push-for-subway-platform-doors/|url-status=live))</ref> In October 2017, the MTA formally announced that platform screen doors would be installed at the [[Third Avenue (BMT Canarsie Line)|Third Avenue]] station on the ((NYCS trains|Canarsie|time=nolink)) as part of a [[Pilot experiment|pilot program]],<ref>((Cite news|url=https://www.amny.com/transit/subway-platform-screen-doors-1.14605599|title=Platform door pilot heads to L train station|last=Barone|first=Vin|date=24 October 2017|work=am New York|access-date=25 October 2017|language=en|archive-url=https://web.archive.org/web/20171025183635/https://www.amny.com/transit/subway-platform-screen-doors-1.14605599|archive-date=25 October 2017|url-status=dead))</ref><ref>((Cite news|url=https://nypost.com/2017/10/24/mta-to-test-barrier-to-stop-people-from-falling-on-tracks/|title=MTA to test barrier to stop people from falling on tracks|last=Furfaro|first=Danielle|date=25 October 2017|work=New York Post|access-date=25 October 2017|language=en-US|archive-date=25 October 2017|archive-url=https://web.archive.org/web/20171025063851/http://nypost.com/2017/10/24/mta-to-test-barrier-to-stop-people-from-falling-on-tracks/|url-status=live))</ref> but the pilot was later postponed.<ref>((Cite news|url=https://www.wsj.com/articles/mta-postpones-platform-safety-pilot-program-1530033174|title=MTA Postpones Platform-Safety Pilot Program|last=Berger|first=Paul|date=26 June 2018|work=Wall Street Journal|access-date=26 June 2018|language=en-US|issn=0099-9660|archive-date=10 January 2021|archive-url=https://web.archive.org/web/20210110100427/https://www.wsj.com/articles/mta-postpones-platform-safety-pilot-program-1530033174|url-status=live))</ref>
Following several pushing incidents, the MTA announced a PSD pilot program at three stations in February 2022: the ((NYCS trains|Flushing|apos=y)) platform at [[Times Square (IRT Flushing Line)|Times Square]]; the ((NYCS trains|Archer IND|apos=y)) platform at [[Sutphin Boulevard–Archer Avenue–JFK Airport (IND Archer Avenue Line)|Sutphin Boulevard–Archer Avenue–JFK Airport]]; and the Third Avenue station.<ref name=nyt-2022-02-23>((Cite news|last=Gold|first=Michael|date=2022-02-23|title=Subway Will Test Platform Doors at 3 Stations|language=en-US|work=The New York Times|url=https://www.nytimes.com/2022/02/23/nyregion/nyc-subway-barriers.html|access-date=2022-02-23|issn=0362-4331|archive-date=23 February 2022|archive-url=https://web.archive.org/web/20220223165102/https://www.nytimes.com/2022/02/23/nyregion/nyc-subway-barriers.html|url-status=live))</ref><ref name="Brosnan 2022">((cite web | last=Brosnan | first=Erica | title=MTA: Platform barrier pilot program to launch in three stations | website=Spectrum News NY1 &#124; New York City | date=2022-02-23 | url=https://www.ny1.com/nyc/all-boroughs/news/2022/02/23/mta-to-launch-platform-barrier-pilot-program-at-3-stations | access-date=2022-02-23 | archive-date=23 February 2022 | archive-url=https://web.archive.org/web/20220223182724/https://www.ny1.com/nyc/all-boroughs/news/2022/02/23/mta-to-launch-platform-barrier-pilot-program-at-3-stations | url-status=live ))</ref> The MTA started soliciting bids from platform-door manufacturers in mid-2022;<ref>((cite web | title=MTA Opens Door to Platform Barriers in Three Subway Stations | website=The City | date=July 15, 2022 | url=https://www.thecity.nyc/2022/7/15/23219309/mta-open-to-platform-door-barrier-in-3-subway-stations | access-date=October 6, 2022))</ref> the doors are planned to be installed starting in December 2023 at a cost of $6 million.<ref>((cite web | title=Project Details: Platform Screen Doors (PSD) Pilot: 3 Stations | website=MTA | url=http://web.mta.info/capitaldashboard/allframenew_head.html?PROJNUM=t8041237&PLTYPE=1&DISPLAYALL=Y | access-date=October 6, 2022))</ref> Designs for the platform doors were being finalized by June 2023.<ref name="Heyward 202306">((cite web | last=Heyward | first=Giulia | title=MTA set to install protective platform doors at select subway stations in 'coming months' | website=Gothamist | date=June 4, 2023 | url=https://gothamist.com/news/nyc-set-to-install-protective-platform-doors-at-select-subway-stations-in-coming-months | access-date=June 5, 2023))</ref><ref name="Troutman 202306">((cite web | last=Troutman | first=Matt | title=Three NYC Subway Stations Will Get Platform Doors: Report | website=New York City, NY Patch | date=June 5, 2023 | url=https://patch.com/new-york/new-york-city/three-nyc-subway-stations-will-get-platform-doors-report | access-date=June 5, 2023))</ref>

[[People mover]]s, systems that ferry passengers across large distances they would otherwise walk, make use of platform screen doors. These systems are common at airports such as [[Hartsfield–Jackson Atlanta International Airport]] and [[Denver International Airport Automated Guideway Transit System|Denver International Airport]]. The [[Port Authority of New York and New Jersey]] uses full height platform screen doors at two of its systems: [[AirTrain JFK]] and [[AirTrain Newark]] (serving [[John F. Kennedy International Airport]] and [[Newark Liberty International Airport]] respectively). [[San Francisco International Airport]] has [[AirTrain (San Francisco International Airport)|AirTrain]], a 6-mile-long line whose stations are fully enclosed with platform screen doors, allowing access to the fully automated people mover.((citation needed|date=March 2019)) [[Chicago]] [[O'Hare International Airport]] has a people mover system which operates 24 hours a day and is a 2.5 mile long (4&nbsp;km) line that operates between the four terminals at the airport and parking areas; each station is fully enclosed with platform screen doors allowing access to the fully automated people mover trains. [[AeroTrain (Washington Dulles International Airport)|AeroTrain]] is a ((convert|3.78|mi|km|adj=on)) people mover system at [[Washington Dulles International Airport]] in [[Dulles, Virginia]], with fully enclosed tracks including platform screen doors. The [[United States Capitol subway system]], a train cart people mover system, uses platform gates.<gallery widths="160" heights="100">
File:Skyline platform screen doors.jpg|Automatic platform gates at [[Skyline (Honolulu)|Skyline]]'s [[Hālawa station]]
File:AirTrain JFK station vc.jpg|[[AirTrain JFK]]'s Terminal 5 station
File:NewarkMonorailP3StationInterior.jpg|Platform-level interior of [[AirTrain Newark]]'s P3 station
File:ATL People Mover 2.jpg|Platform for [[The Plane Train]] at [[Hartsfield–Jackson Atlanta International Airport|ATL airport]]
File:Platform at Terminal 1 AirTrain station, August 2018.JPG|Interior of [[AirTrain (San Francisco International Airport)|AirTrain]] station in Terminal 1 of the [[San Francisco International Airport|SFO airport]]
File:MIA Mover boarding area, RCC.jpg|[[MIA Mover]] in [[Miami International Airport]]
</gallery>

=== Venezuela ===
Platform screen doors are in use on the [[Los Teques Metro]]. The first station to have screen doors implemented on the system was Guaicaipuro.<ref>((Cite web|last=cugueto|date=2013-06-05|title=Metro Los Teques implementa sistema de seguridad de puertas de andén|url=http://www.minci.gob.ve/metro-los-teques-implementa-sistema-de-seguridad-de-puertas-de-anden/|access-date=2021-03-21|website=MippCI|language=es|archive-date=6 May 2021|archive-url=https://web.archive.org/web/20210506014104/http://www.minci.gob.ve/metro-los-teques-implementa-sistema-de-seguridad-de-puertas-de-anden/|url-status=live))</ref>

=== Vietnam ===
Platform screen doors will be used on the [[Ho Chi Minh City Metro]].((Cn|date=February 2024))

== Incidents ==
On the [[Shanghai Metro]] in 2007, a man forcing his way onto a crowded train became trapped between the train door and platform door as they closed. He was pulled under the departing train and killed.<ref>((cite web|url=http://www.iht.com/articles/ap/2007/07/16/asia/AS-GEN-China-Subway-Accident.php |archive-url=https://web.archive.org/web/20070818102821/http://www.iht.com/articles/ap/2007/07/16/asia/AS-GEN-China-Subway-Accident.php |archive-date=18 August 2007 |title=Man caught between subway train and safety doors dies in Shanghai |work=International Herald Tribune |date=29 March 2009 |access-date=1 August 2009))</ref> In 2010, a woman in Shanghai's [[Zhongshan Park station (Shanghai Metro)|Zhongshan Park Station]] was killed<ref>((Cite web|title=Woman killed in subway accident in Shanghai|url=http://www.chinadaily.com.cn/china/2010-07/06/content_10072735.htm|access-date=2022-01-25|website=www.chinadaily.com.cn|archive-date=30 September 2011|archive-url=https://web.archive.org/web/20110930003933/http://www.chinadaily.com.cn/china/2010-07/06/content_10072735.htm|url-status=live))</ref> under the same circumstances when she got trapped between the train and platform doors. An almost identical death occurred on the [[Beijing Subway]] in 2014((mdashb))the third death involving platform doors in China within the several years preceding it.<ref>((Cite web|url=https://www.scmp.com/news/china/article/1634392/beijing-subway-passengers-tried-raise-alarm-accident-victim-was-dragged|title=Beijing subway passengers tried to raise alarm before accident victim was dragged to her death|date=7 November 2014|website=South China Morning Post|access-date=29 September 2021|archive-date=29 September 2021|archive-url=https://web.archive.org/web/20210929080457/https://www.scmp.com/news/china/article/1634392/beijing-subway-passengers-tried-raise-alarm-accident-victim-was-dragged|url-status=live))</ref><ref>((Cite web |url=http://www.sino-us.com/43/Passenger-crushed-to-death-while-trying-to-board-subway-train-in-Beijing.html |title=Passenger crushed to death while trying to board subway train in Beijing-Sino-US<!-- Bot generated title --> |access-date=11 November 2014 |archive-url=https://web.archive.org/web/20180818024531/http://www.sino-us.com/43/Passenger-crushed-to-death-while-trying-to-board-subway-train-in-Beijing.html |archive-date=18 August 2018 |url-status=dead ))</ref> In 2018, a woman was similarly trapped between the platform doors and train at Shanghai's [[Bao'an Highway station]]. She escaped injury by standing still as the train departed.<ref name="trainspeedsby">((cite news |last1=Tang |first1=Frank |title=Chinese woman trapped behind subway safety doors as train speeds by |url=https://www.scmp.com/news/china/society/article/2143458/chinese-woman-trapped-behind-subway-safety-doors-train-speeds |work=South China Morning Post |date=26 April 2018 |access-date=23 December 2019 |archive-date=23 December 2019 |archive-url=https://web.archive.org/web/20191223031330/https://www.scmp.com/news/china/society/article/2143458/chinese-woman-trapped-behind-subway-safety-doors-train-speeds |url-status=live ))</ref> On 22 January 2022, an elderly woman was killed when she got trapped between the train doors and platform screen doors at Shanghai's [[Qi'an Road station|Qi'an Road Station]].<ref>((Cite web|last=郭凯|title=Woman dies after incident at Shanghai metro|url=http://global.chinadaily.com.cn/a/202201/25/WS61efa789a310cdd39bc83247.html|access-date=2022-01-25|website=global.chinadaily.com.cn|archive-date=25 January 2022|archive-url=https://web.archive.org/web/20220125131534/http://global.chinadaily.com.cn/a/202201/25/WS61efa789a310cdd39bc83247.html|url-status=live))</ref>

Between 1999 and 2012, [[London Underground]]'s platform doors, all on the [[Jubilee Line|Jubilee line]], were the cause of 75 injuries including strikes to peoples' heads and arms.<ref>((cite web | website=WhatDoTheyKnow | url=https://www.whatdotheyknow.com/request/100678/response/267510/attach/html/3/FOI%201410%201112%20PEDS%20Final%20version.xls.html | title=HTML version of an attachment to the Freedom of Information request 'Safety of platform screen doors' | date=17 January 2012 | access-date=24 October 2016 | archive-date=24 October 2016 | archive-url=https://web.archive.org/web/20161024090002/https://www.whatdotheyknow.com/request/100678/response/267510/attach/html/3/FOI%201410%201112%20PEDS%20Final%20version.xls.html | url-status=live ))</ref>
((Clear))

==See also==
*[[Anti-trespass panels]], another safety technology meant to keep people off rail tracks
*[[Traffic_barrier#Functions|Platform barriers]], platform screens doors without the doors

== References ==
((reflist))

== External links ==
* ((Commons category-inline|Platform screen doors))

((Rail tracks))

[[Category:Air pollution control systems]]
[[Category:Building biology]]
[[Category:Building engineering]]
[[Category:Construction]]
[[Category:Door automation]]
[[Category:Heating, ventilation, and air conditioning]]
[[Category:Mechanical engineering]]
[[Category:Noise control]]
[[Category:Protective barriers]]
[[Category:Railway platforms]]
[[Category:Railway safety]]
[[Category:Rapid transit]]
[[Category:Security engineering]]
[[Category:Security technology]]
[[Category:Soviet inventions]]
[[Category:Suicide prevention]]
[[Category:Train protection systems]]
[[Category:Vehicle safety technologies]]
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Module:String (view source) (protected)
Module:TableTools (view source) (protected)
Module:Unsubst (view source) (protected)
Module:Webarchive (view source) (template editor protected)
Module:Webarchive/data (view source) (template editor protected)
Module:Wikitext Parsing (view source) (protected)
Module:Yesno (view source) (protected)
Return to Platform screen doors.
Retrieved from "https://en.wikipedia.org/wiki/Platform_screen_doors"