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Great Train eXpress is a planned higher-speed commuter rail network in the Seoul Capital Area project consisting of three separate lines, named GTX A, GTX B and GTX C, and scheduled for completion in 2025.[1][2][3]

GTX A

Groundbreaking for GTX Line A was held on December 27, 2018, with service expected to commence in 2023.[4] However, the project has been officially delayed due to land compensation issues and the discovery of archeological ruins dating from the Joseon period.[5] The Suseo-Dongtan section is now scheduled to be completed in 2023 and the rest of the line to open in 2024.[6] Samseong Station being even further delayed and will remain closed after the rest of GTX A opens until 2028.[7] As of October 2021, the project was only about 20% complete, leading to speculation that GTX A is more likely to be completed around 2024 or 2025 or even later.[8][5] Approximately 30 kilometers of the line are expected to share the same rail as the SRT, and a further 9 km towards the western end of the route are expected to be completely underground.[9]

Station
number 		Station name Transfer Line name Distance Total
distance 		Location
English Hangul Hanja
TBA Unjeong[A] 운정 雲井 GTX A — 0.0 Gyeonggi-do Paju
KINTEX[B] 킨텍스 킨텍스 — — Goyang
Daegok 대곡 大谷
  • Gyeongui–Jungang Line
  • Seohae Line
 — —
Yeonsinnae 연신내 연신내
— — Seoul Eunpyeong
Seoul Station 서울역 서울驛
  • Gyeongui–Jungang Line
  • Korail
  • KTX
 — — Jung
Samseong[C] 삼성역 三成
— — Gangnam
Suseo 수서역 水西
  • Suin–Bundang Line
  • SRT
 — —
Seongnam 성남역 城南 Gyeonggang Line Suseo–Pyeongtaek HSR (shared) — — Gyeonggi-do Seongnam
Yongin 용인역 龍仁 Suin–Bundang Line — — Yongin
Dongtan 동탄역 東灘 SRT — — Hwaseong

GTX B

Construction of GTX Line B is expected to start in 2023.

Station
number 		Station name Transfer Line name Distance Total
distance 		Location
English Hangul Hanja
TBA Songdo Station[D] 송도 松島 Incheon Subway Line 1 GTX B — 0.0 Incheon Yeonsu
Incheon City Hall 인천시청 仁川市廳
  • Incheon Subway Line 1
  • Incheon Subway Line 2
 — — Namdong
Bupyeong 부평 富平 — — Bupyeong
Dangarae 당아래 당아래 — — Gyeonggi Bucheon
Sindorim 신도림 新道林
— — Seoul Guro
Yeouido 여의도 汝矣島
— — Yeongdeungdo
Yongsan 용산 龍山
  • Gyeongui–Jungang Line
  • Korail
  • KTX
 — — Yongsan
Seoul Station 서울역 서울
  • Gyeongui–Jungang Line
  • Korail
  • KTX
 — — Jung
Cheongnyangni 청량리 淸凉里
  • Gyeongui–Jungang Line
  • Suin–Bundang Line
  • Korail
  • KTX
 — — Dongdaemun
Mangu 망우 忘憂
  • Gyeongui–Jungang Line
  • Gyeongchun Line
 — — Jungnang
Byeollae 별내 別內 Gyeongchun Line Gyeongchun Line (shared) — — Gyeonggi Namyangju
Pyeongnaehopyeong 평내호평 坪內好坪 Gyeongchun Line — —
Maseok 마석 磨石 Gyeongchun Line — —

GTX C

Construction of GTX Line C is expected to start in 2022. According to the latest plans and following the selection of a preferred bidder for the construction of this line, 2 additional stations, Indeogwon Station and Wangsimni Station are likely to be added to the line.

Station
number 		Station name Transfer Line name Distance Total
distance 		Location
English Hangul Hanja
TBA Suwon 수원 水原
  • Suin–Bundang Line
  • KTX
 Gyeongbu Line (shared)
Gwacheon Line (shared) 		— 0.0 Gyeonggi Suwon
Geumjeong 금정 衿井
— — Gunpo
Gwacheon[E] 과천 果川 GTX C — — Gwacheon
Yangjae 양재 良才
  • Shinbundang Line
 — — Seoul Gangnam
Samseong 삼성 三成
— —
Cheongnyangni 청량리 淸凉里
  • Gyeongui–Jungang Line
  • Suin–Bundang Line
  • Korail
  • KTX
 — — Dongdaemun
Kwangwoon University 광운대 光云大
  • Gyeongchun Line
 Gyeongwon Line (shared) — — Nowon
Chang-dong 창동 倉洞
— — Dobong
Uijeongbu 의정부 議政府 — — Gyeonggi Uijeongbu
Deokjeong 덕정 德亭 — — Yangju

Additional plans for GTX D and other lines

Plans for a Line D were announced in 2021 by the previous government. However, the proposed route faced a lot of opposition, and has not been approved yet. The new government of Yoon Seok-youl has pledged to build 3 new lines (Line D, E and F), for which the routes have not been decided yet, but which would likely include plans for a longer Line D than the one announced by the previous government.

Station
number 		Station name Transfer Line name Distance Total
distance 		Location
English Hangul Hanja
TBA Janggi 장기 場基 Gimpo Goldline GTX D — 0.0 Gyeonggi Gimpo
Geomdan 검단 黔丹 — Incheon Seo
Gyeyang 계양 桂陽
  • Incheon Subway Line 1
 — — Gyeyang
Daejang 대장 大壯 — — Gyeonggi Bucheon
Dangarae 당아래 당아래 — —

Criticism

Critics argue that GTX project would increase the social and economic centripetal force towards Seoul leading to increased primacy and the collapse of other provincial cities.[10]

Notes

  1. ^ Not to be confused with the current Unjeong station.
  2. ^ Not to be confused with the current Daehwa station.
  3. ^ Bongeunsa station will be merged with Samseong Station.
  4. ^ Not to be confused with Songdo Station on the Suin-Bundang Line. This station will be located in Songdo International City and offer transfer to Incheon National University Station.
  5. ^ This station is just named Gwacheon station, but located at Government Complex Gwacheon station.

References

  1. ^ Tebay, Andy (April 7, 2017). "Seoul to build high-speed regional rail network".
  2. ^ Tebay, Andy. "Seoul set for urban rail expansion".
  3. ^ "Gov't to deploy 'quasi-KTX high-speed' trains by 2025".
  4. ^ "파주~강남~동탄 GTX A노선 사업 오늘 착공". Naver (in Korean). KBS. December 27, 2018. Retrieved July 8, 2021.
  5. ^ a b "2025년 개통도 턱없다…'비운의 노선' GTX-A". m.post.naver.com (in Korean). Retrieved February 21, 2022.
  6. ^ "GTX-A, 공사 늦어지는 삼성역 빼고 우선 개통". www.donga.com (in Korean). October 18, 2021. Retrieved February 21, 2022.
  7. ^ "GTX-A 삼성역, 2028년에나 개통…최소 3년 노선분리".
  8. ^ 조선비즈 (October 5, 2021). "[단독] GTX A 8월 말 기준 공정률 20.6%...2024년 6월 완공 목표 '삐걱'". 조선비즈 (in Korean). Retrieved February 21, 2022.
  9. ^ Tebay, Andy (January 5, 2023). "Tunnelling completed in Seoul for GTX-A line". International Railway Journal. Retrieved January 26, 2023.
  10. ^ Donggyu, Seong (March 19, 2014). "'문제 투성이' GTX사업…우려 확산" [GTX project in "full of problems" - Lots of Concerns Appear]. Newsway (in Korean). Seoul. Retrieved January 18, 2021.
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