Great Train eXpress

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Great Train eXpress (GTX) is a 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 2030.^[1] Three other lines, named GTX-D, GTX-E and GTX-F are being planned.^[2]

GTX-A

Groundbreaking for GTX Line A was held on December 27, 2018, with service expected to commence in 2023.^[3] However, the project has been officially delayed due to land compensation issues and the discovery of archeological ruins dating from the Joseon period.^[4] Suseo, Songnam, and Dongtan stations were opened on 30 March 2024. Guseong station is scheduled to open in June 2024^[5] and the rest of the line in 2028.^[6] Samseong Station being even further delayed and will remain closed after the rest of GTX-A opens until 2028.^[7] 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.^[8]

Station Number	Station name			Transfer	Line name	Distance	Total distance	Location
	English	Hangul	Hanja
X101	Unjeong[A]	운정	雲井		GTX-A	—	0.0	Gyeonggi Province	Paju
X102	KINTEX[B]	킨텍스	킨텍스			—	—		Goyang
X103	Daegok	대곡	大谷			—	—
X104	Changneung	창릉	昌陵
X105	Yeonsinnae	연신내	연신내			—	—	Seoul	Eunpyeong
X106	Seoul Station	서울역	서울驛			—	—		Jung
X107	Samseong[C]	삼성	三成			—	—		Gangnam
X108	Suseo	수서	水西			—	—
X109	Seongnam	성남	城南		Suseo–Pyeongtaek HSR (shared)	—	—	Gyeonggi Province	Seongnam
X110	Guseong	구성	駒城			—	—		Yongin
X111	Dongtan	동탄	東灘			—	—		Hwaseong

GTX-B

Construction of GTX Line B commenced on March 7, 2024. It is planned to be completed by 2030.^[9]

Station number	Station name			Transfer	Line name	Distance	Total distance	Location
	English	Hangul	Hanja
TBA	Songdo Station[D]	송도	松島		GTX-B	—	0.0	Incheon	Yeonsu
	Incheon City Hall	인천시청	仁川市廳			—	—		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			—	—		Yongsan
	Seoul Station	서울역	서울			—	—		Jung
	Cheongnyangni	청량리	淸凉里			—	—		Dongdaemun
	Mangu	망우	忘憂			—	—		Jungnang
	Byeollae	별내	別內		Gyeongchun Line (shared)	—	—	Gyeonggi	Namyangju
	Pyeongnaehopyeong	평내호평	坪內好坪			—	—
	Maseok	마석	磨石			—	—

GTX-C

Construction of GTX Line C commenced on January 25, 2024. It is planned to be completed by 2028.

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		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			—	—	Seoul	Gangnam
	Samseong	삼성	三成			—	—
	Cheongnyangni	청량리	淸凉里			—	—		Dongdaemun
	Kwangwoon University	광운대	光云大		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, GTX-E and GTX-F

This section needs to be updated. Please help update this article to reflect recent events or newly available information. (March 2024)

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

has pledged to build 3 new lines (Lines 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		GTX-D	—	0.0	Gyeonggi	Gimpo
	Geomdan	검단	黔丹				—	Incheon	Seo
	Gyeyang	계양	桂陽			—	—		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.^[11]

Notes

References

1. ^ "[Graphic News] GTX lines expansion". The Korea Herald. January 31, 2024. Retrieved March 31, 2024.
2. ^ "드디어 베일 벗은 '2기 GTX'…D·E·F 노선 '이곳' 지난다". 한국경제. January 25, 2024. Retrieved March 31, 2024.
3. ^ "파주~강남~동탄 GTX A노선 사업 오늘 착공". Naver (in Korean). Korean Broadcasting System. December 27, 2018. Retrieved July 8, 2021.
4. ^ "2025년 개통도 턱없다…'비운의 노선' GTX-A". m.post.naver.com (in Korean). Retrieved February 21, 2022.
5. ^ "GTX-A commuter line to launch 1st leg Saturday". m.koreaherald.com. March 29, 2024. Retrieved March 31, 2024.
6. ^ "New high-speed GTX train to cut Seoul-Gyeonggi commutes in half". Korea JoongAng Daily. March 21, 2024. Retrieved March 31, 2024.
7. ^ "GTX-A 삼성역, 2028년에나 개통…최소 3년 노선분리".
8. ^ Tebay, Andy (January 5, 2023). "Tunnelling completed in Seoul for GTX-A line". International Railway Journal. Retrieved January 26, 2023.
9. ^ "GTX-B breaks ground for 30-min Seoul-Incheon commute". The Korea Herald. March 7, 2024. Retrieved March 31, 2024.
10. ^ "Construction of Seoul express Line C starts as part of the 'first year of the GTX era'". Railway Gazette International. February 2, 2024. Retrieved March 31, 2024.
11. ^ 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.