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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]
Groundbreaking for GTX Line A was held on December 27, 2018, with service initially expected to commence in 2023.[3] However, the project has been officially delayed due to land compensation issues and the discovery of archaeological ruins dating from the Joseon period.[4] Suseo, Seongnam, and Dongtan stations were opened on March 30, 2024, and Guseong Station opened on June 29, 2024.[5][6] The northern section of the line is anticipated to open late 2024 with the connection between Seoul Station and Suseo opening at the end of 2026.[7][8] Samseong Station has been further delayed and will remain closed until 2028, even after the rest of GTX-A opens.[9] Approximately 30 kilometers of the line are expected to share the same rail as the SRT, and an additional 9 kilometers towards the western end of the route are expected to be completely underground.[10]
| Station
Number |
Station name | Transfer | Line name | Distance | Total distance |
Location | |||
|---|---|---|---|---|---|---|---|---|---|
| English | Hangul | Hanja | |||||||
| X101 | Unjeong[A] (2028) | 운정 | 雲井 | GTX-A | — | 0.0 | Gyeonggi Province | Paju | |
| X102 | KINTEX[B] (2028) | 킨텍스 | 킨텍스 | — | — | Goyang | |||
| X103 | Daegok (2028) | 대곡 | 大谷 |   |
— | — | |||
| X104 | Changneung (2028) | 창릉 | 昌陵 | ||||||
| X105 | Yeonsinnae (2028) | 연신내 | 연신내 |  |
— | — | Seoul | Eunpyeong | |
| X106 | Seoul Station (2028) | 서울역 | 서울驛 |     |
— | — | Jung | ||
| X107 | Samseong[C] (2028) | 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 | ||
Construction of GTX Line B commenced on March 7, 2024. It is planned to be completed by 2030.[11]
| 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 |
|
— | — | ||||
Construction of GTX Line C commenced on January 25, 2024. It is planned to be completed by 2028.[12] 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 | |
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 | |||
This section needs to be updated. Please help update this article to reflect recent events or newly available information. (March 2024)
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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 (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. Plans for a Line G and H that will expand to the northern and southwestern regions of Gyeonggi Province have also been announced.[13]
| 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 |
|
— | — | ||||
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.[14]
