|Main region(s)||Greater London, Kent|
|Other region(s)||East Sussex|
|Stations called at||180|
|Parent company||DfT OLR Holdings|
|Dates of operation||17 October 2021–17 October 2027|
SE Trains Limited, trading as Southeastern, is a train operator, owned by DfT OLR Holdings for the Department for Transport, that took over operating the South Eastern franchise in South East England from privately owned London & South Eastern Railway (which also traded as Southeastern) on 17 October 2021.
In September 2021, the Department for Transport announced it would be terminating the South Eastern franchise operated by Govia-owned Southeastern after revenue declaration discrepancies involving £25 million of public money were discovered. SE Trains, as an operator of last resort, took over the franchise on 17 October 2021, for a six-year period until 17 October 2027.
Southeastern is one of several train operators impacted by the 2022–2023 United Kingdom railway strikes, which are the first national rail strikes in the UK for three decades. Its workers are amongst those who are participating in industrial action due to a dispute over pay and working conditions.
In November 2022, Southeastern began the process of procuring new trains, to be made up of between 350 and 640 new carriages. These would enter service in the mid-2020s.
SE Trains serves the main London stations of Charing Cross, Waterloo East, Cannon Street, London Bridge, St Pancras, Victoria and Blackfriars. The network has route mileage of 540 miles (870 km), with 180 stations, 164 of which it manages.
Southeastern initially began trading operating the same routes and services as its predecessor. However, in December 2022, a new timetable was introduced aiming to reduce congestion, improve reliability and better match demand following the COVID-19 pandemic.
As of May 2023, the weekday off-peak service pattern, with frequencies in trains per hour (tph), is:
|High Speed 1|
|London St Pancras International to Ramsgate via Faversham||1|
|London St Pancras International to Ramsgate via Dover Priory||1|
|London St Pancras International to Margate via Canterbury West||1|
|Chatham Main Line|
|London Victoria to Ramsgate via Faversham||1|
|London Victoria to Dover Priory via Faversham||1|
|London Victoria to Gillingham||1|
|Sittingbourne to Sheerness-on-Sea||1|
|London Victoria to Ashford International via Maidstone East||1|
|London Charing Cross to Maidstone East (semi-fast)||1|
|South Eastern Main Line|
|London Charing Cross to Dover Priory||1|
|London Charing Cross to Ramsgate via Canterbury West||1|
|London Charing Cross to Hastings (stopping)||1|
|London Charing Cross to Hastings (semi-fast)||1|
|Medway Valley Line|
|Strood to Paddock Wood via Maidstone West||2|
|Metro - North Kent Line|
|London Cannon Street to London Cannon Street via Greenwich and Woolwich Arsenal (clockwise)||2|
|London Cannon Street to Gravesend via Lewisham and Woolwich Arsenal||2|
|Metro - Bexleyheath Line|
|London Cannon Street to London Cannon Street via Bexleyheath (anticlockwise)||2|
|London Victoria to Dartford via Bexleyheath||2|
|London Charing Cross to Dartford via Bexleyheath||1|
|Metro - Sidcup Line|
|London Charing Cross to Dartford via Lewisham and Sidcup||2|
|London Charing Cross to Gravesend via Sidcup||2|
|Metro - South Eastern Main Line|
|London Cannon Street to Orpington via Grove Park||2|
|London Charing Cross to Sevenoaks via Grove Park||2|
|Grove Park to Bromley North (branch line)||2||Sundridge Park|
|Metro - Hayes Line|
|London Charing Cross to Hayes||4|
|Metro - Chatham Main Line|
|London Victoria to Orpington via Beckenham Junction||2|
SE Trains is operating the same electric multiple units as its predecessor. The remainder of the 30 Class 707s will enter service as they are released by South Western Railway.
|Family||Class||Image||Type||Top speed||Number||Carriages||Routes operated||Built|
|Bombardier Electrostar||375||EMU||100||160||10||3||Main line routes||1999–2005|
|377||100||160||23||4||Main line routes||2008–2009|
|Hitachi AT300||395 Javelin||140||225||29||6||High Speed 1 services||2007–2009|
|Networker||465||75||120||129||4||Main line and metro routes||1991–1994|
|466||36||2||Main line and metro routes||1993–1994|
|Siemens Desiro||707 City Beam||100||160||18||5||Metro routes||2015–2018|
In May 2022, two Class 377/1 units were transferred from Southeastern back to Southern.
|Family||Class||Image||Type||Top speed||Number||Carriages||Routes operated||Year withdrawn|
|Bombardier Electrostar||377||EMU||100||160||2||4||Main line routes||2022|
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