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Seohae Line
Korail Class 391000 EMU.
Overview
Native name서해선
Seohaeseon
StatusOperational
Owner Korea Rail Network Authority
Termini
Stations21
Service
Operator(s) Korail, SEO HAE RAIL CO.,LTD., ERAIL Co., Ltd.
Rolling stock Korail Class 391000
History
OpenedJune 16, 2018
Technical
Line length47 km (29 mi) (131 km, future)
Number of tracks2
Track gauge1,435 mm (4 ft 8 1⁄2 in)
Electrification 25 kV 60 Hz AC
Seohae Line
Hangul
Hanja
Revised RomanizationSeohaeseon
McCune–ReischauerSŏhaesŏn

The Seohae Line is a dual-track, electrified rail line in western Gyeonggi-do and Seoul, South Korea. The Seohae Line is being built in four sections simultaneously. The line runs 47 km (29 mi) south from Ilsan in Goyang City, crosses the Han River, passes Gimpo Airport, Sosa, Siheung, and ends in Wonsi in Ansan. There is a transfer to different lines at Daegok, Neunggok, Gimpo Int'l Airport, Bucheon Stadium, Sosa and Choji. [1] There are currently 21 stations (Ilsan-Wonsi). The line is operated by Korail, but the stations between Sosa and Wonsi are managed by SEO HAE RAIL CO.,LTD., which is a subsidiary of Seoul Metro. [2] The infrastructure is also owned by Korail so the line runs on the left like the rest of the South Korean mainline railway network.

History

After the completion of planning, the project was written out as a build–lease–transfer (BLT) project, and Daewoo was selected [3] as preferred bidder in September 2008. [1] Construction was scheduled to last from October 2009 to March 2013. [4] Due to the global financial crisis, it was difficult to gather investors to finance the project, and negotiations stalled. [1] An agreement was finally signed on December 21, 2010, with construction set to start in the first half of 2011. [1] Project costs are 1.5248 trillion South Korean won, the contractor has altogether seven years for design and construction, and will manage and maintain the line for the first 20 years of operation. [1]

The first section began construction in 2011 and opened on June 16, 2018. [5]

The second section runs north from Sosa to Daegok on the Gyeongui-Jungang Line and Seoul Subway Line 3. There are transfers to several other lines. It was expected to open on June 29, 2021, but did not open until July 1, 2023.

Another extension (Daegok-Ilsan) was opened at the end of August 2023.

Future

Another extension (Ilsan-Unjeong) was approved in January 2024. [6] There is currently no opening date noted.

On September 1, 2010, the South Korean government announced a strategic plan to reduce travel times from Seoul to 95% of the country to under 2 hours by 2020. As part of the plan, the first section is to be further upgraded for 230 km/h (140 mph) the Wonsi–Hwayang extension is to be projected for 250 km/h (160 mph), and the line may see KTX service. [7]

Tentative plans foresee the upgrade and incorporation of the Gyooe Line, a single-track non-electrified line without passenger service that connects Neunggok station (with a junction just before Daegok station) and Uijeongbu station in Uijeongbu. The Uijeongbu–Daegok–Sosa–Wonsi Line would then provide orbital metro service as a northern semicircle around Seoul, complementing the southern semicircle formed by the Suin–Bundang Line.

Another part of the tentative 2010 plans was a southern extension from Wonsi, connecting up with the Janghang Line before Hongseong station. [8] [9] As of April 2023, the construction of this section was 92% completed and expected to be opened in the second half of 2024. [10]

Map of the Seohae Line and other surrounding lines


Stations

Urban section

The section from Sosa to Wonsi opened on June 16, 2018. The first phase (Sosa to Daegok) of the Sosa to Ilsan extension opened on July 1, 2023. The second phase (Daegok to Ilsan) of the Sosa to Ilsan extension opened on August 26, 2023. The line currently utilizes seven four-car Class 391000 trains manufactured by Hyundai Rotem and ten four-car Class 391000 trains manufactured by Dawonsys.

Station
Number 		Station Name
English 		Station Name
Hangul 		Station Name
Hanja 		Transfer Distance
in km 		Total
Distance 		Location
S07 Ilsan 일산 一 山 Gyeongui–Jungang Line (Shared) --- 0.0 Gyeonggi-do Goyang-si
S08 Pungsan 풍산 楓 山 1.9 1.9
S09 Baengma 백마 白 馬 1.7 3.6
S10 Goksan 곡산 谷 山 1.6 5.2
S11 Daegok 대곡 大 谷 Gyeongui–Jungang Line 1.7 6.9
S12 Neunggok 능곡 陵 谷 Gyeongui–Jungang Line 1.8 8.5
S13 Gimpo Int'l Airport 김포공항 金 浦 空 港 Gimpo Goldline 7.4 15.9 Seoul Gangseo-gu
S14 Wonjong 원종 遠 宗 4.3 20.2 Gyeonggi-do Bucheon-si
S15 Bucheon Stadium 부천종합운동장 富 川 綜 合 運 動 場 2.1 22.3
S16 Sosa
( Seoul Theological Univ.) 		소사
( 서울신대) 		素 砂 2.7 25.0
S17 Sosaeul
( Bucheon Univ. Sosa Campus) 		소새울
( 부천대 소사캠퍼스) 		--- 1.7 26.7
S18 Siheung Daeya 시흥대야 始 興 大 也 2.1 28.8 Siheung-si
S19 Sincheon 신천 新 川 1.4 30.2
S20 Sinhyeon 신현 新 峴 3.3 33.5
S22 Siheung City Hall 시흥시청 始 興 市 廳 3.6 37.1
S23 Siheung Neunggok 시흥능곡 始 興 陵 谷 1.3 38.4
S24 Dalmi 달미 達 味 2.4 40.8 Ansan-si
S25 Seonbu
( Hando Hospital) 		선부
( 한도병원) 		仙 府 1.6 42.4
S26 Choji 초지 草 芝 Suin–Bundang Line 1.7 44.1
S27 Siu 시우 時 雨 1.4 45.5
S28 Wonsi 원시 元 時 1.5 47.0
S29 Int'l Theme Park (TBC) 국제테마파크 國際− Hwaseong-si
S30 Seohwaseongnamyang (December 2024) 서화성남양 西華城南陽

The line is being extended southward from Wonsi to Seohwaseongnamyang. Station names may be subject to change as the line is constructed and various sources give conflicting information. [11]

Conventional rail

Station name Transfer Distance in km Location
Romanized Hangul Hanja Station distance Total distance
Songsan 송산 松 山 --- 0.0 Gyeonggi-do Hwaseong-si
Hwaseong City Hall 화성시청 華 城 市 廳
Hyangnam 향남 鄕 南
Anjung 안중 安 仲 Pyeongtaek-si
Inju 인주 仁 州 Chungcheongnam-do Asan-si
Hapdeok 합덕 合 德 Dangjin-si
Hongseong 홍성 洪 城 Janghang Line 90.0 Hongseong-gun

See also

References

  1. ^ a b c d e 소사~원시 복선전철 내년 상반기 착공예정 (in Korean). The Chosun Ilbo. 2010-12-21. Retrieved 2010-12-30.
  2. ^ "소사원시운영(주)". Archived from the original on 2020-08-07. Retrieved 2019-05-13.
  3. ^ "Daewoo E&C Financial Statements 2008" (PDF).[ permanent dead link]
  4. ^ Daewoo E&C Non-Consolidated Financial Statements[ permanent dead link] December 31, 2008 and 2007
  5. ^ "서울 접근성 높인 소사원시선 역세권 아파트 'e편한세상 시흥'" (in Korean). Asiae. 2016-12-21. Retrieved 2017-01-13.
  6. ^ http://www.vision21.kr/news/article.html?no=324175
  7. ^ "Bullet trains coming to a town near you by 2020". JoongAng Daily. 2010-09-02. Retrieved 2010-10-27.
  8. ^ "South Korea's growing network". Railway Gazette International. 2008-09-08. Retrieved 2010-08-29.
  9. ^ Tebay, Andy (2023-07-03). "Seohae Line commuter rail extension opens in Seoul". International Railway Journal. Retrieved 2023-07-30.
  10. ^ 철도공단 충청권 사업단, 8개 철도사업에 올해 7082억 투입 (in Korean). Rail Economy News. 2023-04-27. Retrieved 2023-09-29.
  11. ^ "대곡~소사 복선전철 마침내 첫삽, 2020년 개통". 22 December 2015.
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