Seohae Line

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Seohae Line
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Overview
Native nameScript error: No such module "Lang".
Seohaeseon
StatusOperational
OwnerKorea Rail Network Authority
TerminiPage Template:Plainlist/styles.css has no content.
Stations21
Service
Operator(s)Korail, SEO HAE RAIL CO.,LTD., ERAIL Co., Ltd.
Rolling stockKorail Class 391000
ITX-Maum
History
Opened16 June 2018
Technical
Line lengthScript error: No such module "ConvertIB".47 km (29 mi) (131 km, future)
Track lengthScript error: No such module "ConvertIB".
Number of tracks2
Track gauge1,435 mm (4 ft 8 1⁄2 in)
Minimum radiusScript error: No such module "ConvertIB".
Electrification25 kV 60 Hz AC
Operating speedScript error: No such module "ConvertIB".
Highest elevationScript error: No such module "ConvertIB".
Route map
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Template:Infobox Korean name/auto The Seohae Line (KoreanScript error: No such module "Lang".; lit. 'West Sea 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., a subsidiary of Seoul Metro.[2] Since the infrastructure is also owned by Korail, 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 2008 financial crisis, it was difficult to gather investors to finance the project, and negotiations stalled.[1] An agreement was finally signed on 21 December 2010, with construction set to start in the first half of 2011.[1] Project costs are 1.5248 trillion; 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 16 June 2018.[5] The second section runs north from Sosa to Daegok on the Gyeongui-Jungang Line and Seoul Subway Line 3, with transfers to several other lines. It was expected to open on 29 June 2021,[6] but did not open until 1 July 2023.[7][8] Another extension (Daegok-Ilsan) was opened at the end of August 2023.[9][10] As of October 2024, about ₩4.12 trillion (US$2.98 billion) has been spent on the Seohae Line.[11]

The Seohae Line is scheduled to be extended to Unjeong Station. In early 2026, final approvals were completed, and construction for the extension began in May 2026. Once completed, the Seohae Line will share the existing tracks of the Gyeongui–Jungang Line from Daegok Station through Ilsan Station to Unjeong, providing residents with direct rail access to Gimpo International Airport and Bucheon.[12]

Future

Another extension (Ilsan-Unjeong) was approved in January 2024.[13] There is currently no opening date noted.

On 1 September 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.[14]

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.[15][7] As of April 2023, the construction of this section was 92% completed and was expected to be opened in the second half of October 2024.[16] However, by late 2024, the opening date of the Wonsi–Seohwaseong extension had been delayed to the first half of 2026.[17][18]

Rolling stock

Map of the Seohae Line and other surrounding lines

Template:Rapid transit OSM map

Stations

Urban section

The section from Sosa to Wonsi opened on 16 June 2018. The first phase (Sosa to Daegok) of the Sosa to Ilsan extension opened on 1 July 2023. The second phase (Daegok to Ilsan) of the Sosa to Ilsan extension opened on 26 August 2023. The line currently utilizes seven four-car Class 391000 (1st generation) trains manufactured by Hyundai Rotem and ten four-car Class 391000 (2nd generation) trains manufactured by Dawonsys.

Current Routes

  • Daegok — Wonsi (most trains)
  • Ilsan — Wonsi (selected trains)

Stations

Station
number
Station name
English
Station name
Hangul
Station name
Hanja
Transfer Distance
in km
Total
distance
Location
S07 Ilsan Script error: No such module "Lang". Gyeongui–Jungang Line (Shared) --- 0.0 Gyeonggi-do Goyang-si
S08 Pungsan Script error: No such module "Lang". 1.9 1.9
S09 Baengma Script error: No such module "Lang". 1.7 3.6
S10 Goksan Script error: No such module "Lang". 1.6 5.2
S11 Daegok Script error: No such module "Lang". File:Seoul Metro Line 3.svg Gyeongui–Jungang Line Great Train eXpress 1.7 6.9
S12 Neunggok Script error: No such module "Lang". Gyeongui–Jungang Line 1.8 8.5
S13 Gimpo Int'l Airport Script error: No such module "Lang". File:Seoul Metro Line 5.svg File:Seoul Metro Line 9.svg File:Seoul Metro Line Arex.svg Gimpo Goldline 7.4 15.9 Seoul Gangseo-gu
S14 Wonjong Script error: No such module "Lang". 4.3 20.2 Gyeonggi-do Bucheon-si
S15 Bucheon Stadium Script error: No such module "Lang". File:Seoul Metro Line 7.svg 2.1 22.3
S16 Sosa
(Seoul Theological Univ.)
Script error: No such module "Lang". File:Seoul Metro Line 1.svg 2.7 25.0
S17 Sosaeul
(Bucheon Univ. Sosa Campus)
Script error: No such module "Lang". 소새울 1.7 26.7
S18 Siheung Daeya Script error: No such module "Lang". 2.1 28.8 Siheung-si
S19 Sincheon Script error: No such module "Lang". 1.4 30.2
S20 Sinhyeon Script error: No such module "Lang". 3.3 33.5
S22 Siheung City Hall Script error: No such module "Lang". 3.6 37.1
S23 Siheung Neunggok Script error: No such module "Lang". 1.3 38.4
S24 Dalmi Script error: No such module "Lang". 달미 2.4 40.8 Ansan-si
S25 Seonbu
(Hando Hospital)
Script error: No such module "Lang". 1.6 42.4
S26 Choji Script error: No such module "Lang". File:Seoul Metro Line 4.svg Suin–Bundang Line 1.7 44.1
S27 Siu Script error: No such module "Lang". 1.4 45.5
S28 Wonsi Script error: No such module "Lang". 1.5 47.0
S29 Int'l Theme Park (April 2027) 국제테마파크 國際테마파크 Hwaseong-si
S30 Seohwaseong (March 2026) 서화성 西華城

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.[19]

Conventional rail

Opened on 2 November 2024.

Station name Transfer Distance in km Location
Romanized Hangul Hanja Station distance Total distance
Seohwaseong 서화성 西 --- 0.0 Gyeonggi-do Hwaseong-si
Hwaseong City Hall 화성시청 7.3 7.3
Hyangnam 향남 11.4 18.7
Anjung 안중 Pyeongtaek Line 19.1 37.8 Pyeongtaek-si
Inju 인주 17.5 55.3 Chungcheongnam-do Asan-si
Hapdeok 합덕 8.8 64.1 Dangjin-si
Hongseong 홍성 Janghang Line 24.6 88.7 Hongseong-gun

See also

References

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  1. ^ a b c d e Page Module:Citation/CS1/styles.css has no content.소사~원시 복선전철 내년 상반기 착공예정 (in 한국어). The Chosun Ilbo. 21 December 2010. Retrieved 30 December 2010.
  2. ^ Page Module:Citation/CS1/styles.css has no content."소사원시운영(주)". Archived from the original on 7 August 2020. Retrieved 13 May 2019.
  3. ^ Page Module:Citation/CS1/styles.css has no content."Daewoo E&C Financial Statements 2008" (PDF).[permanent dead link]
  4. ^ Daewoo E&C Non-Consolidated Financial Statements[permanent dead link] 31 December 2008 and 2007
  5. ^ Page Module:Citation/CS1/styles.css has no content."서울 접근성 높인 소사원시선 역세권 아파트 'e편한세상 시흥'" (in 한국어). Asiae. 21 December 2016. Retrieved 13 January 2017.
  6. ^ Page Module:Citation/CS1/styles.css has no content.Jang, Byeong-guk (20 July 2021). "[Pick] 대곡소사선, 원종까지 부분개통 확정 "내년 2월 목표"" [[Pick] Daegok Sosa Line, Partial Opening to Wonjong Confirmed "Targeting February Next Year"]. 철도경제신문 (in 한국어). Retrieved 18 April 2025.
  7. ^ a b Page Module:Citation/CS1/styles.css has no content.Tebay, Andy (3 July 2023). "Seohae Line commuter rail extension opens in Seoul". International Railway Journal. Retrieved 18 April 2025.
  8. ^ Page Module:Citation/CS1/styles.css has no content.Jeong, Jaehoon (30 June 2023). "고양-부천 20분 연결…서해선 대곡~소사 구간 내달 1일 개통" [Goyang-Bucheon 20-minute connection… Seohae Line Daegok-Sosa section opens on the 1st of next month]. 네이버 뉴스 (in 한국어). Retrieved 18 April 2025.
  9. ^ Page Module:Citation/CS1/styles.css has no content.Lee, Byeong-woo (25 August 2023). "서해선 '일산역∼대곡역' 26일 개통…기쁨보다 실망" [Seohae Line 'Ilsan Station - Daegok Station' Opens on the 26th... Disappointment Rather Than Joy]. 고양신문 (in 한국어). Retrieved 18 April 2025.
  10. ^ Page Module:Citation/CS1/styles.css has no content.Hong, Ki-woong (26 August 2023). "서해선 일산 연장 오늘부터 운행 [포토뉴스]" [Seohae Line Ilsan Extension to Start Operation Today (Photo News)]. 경기일보 (in 한국어). Retrieved 18 April 2025.
  11. ^ Page Module:Citation/CS1/styles.css has no content.Tebay, Andy (6 November 2024). "Korean regional line extensions open". International Railway Journal. Retrieved 18 April 2025.
  12. ^ Page Module:Citation/CS1/styles.css has no content."Seohae Line Extension to Unjeong Commences Construction this May". Joongboo Ilbo (in 한국어). 14 April 2026. Retrieved 11 May 2026.
  13. ^ Page Module:Citation/CS1/styles.css has no content."[비전21뉴스] 파주시, 서해선(대곡-소사) 파주 연장 확정!".
  14. ^ Page Module:Citation/CS1/styles.css has no content."Bullet trains coming to a town near you by 2020". JoongAng Daily. 2 September 2010. Retrieved 27 October 2010.
  15. ^ Page Module:Citation/CS1/styles.css has no content."South Korea's growing network". Railway Gazette International. 8 September 2008. Retrieved 29 August 2010.{{cite web}}: CS1 maint: deprecated archival service (link)
  16. ^ Page Module:Citation/CS1/styles.css has no content.철도공단 충청권 사업단, 8개 철도사업에 올해 7082억 투입 (in 한국어). Rail Economy News. 27 April 2023. Retrieved 29 September 2023.
  17. ^ Page Module:Citation/CS1/styles.css has no content.Choi, Seok-young (19 November 2024). "서해선 미연결구간 '서화성-원시'...우선개통 추진" [Seohae Line Unconnected Section 'Seohwaseong-Wonsi'...Priority Opening Promotion]. 철도경제신문 (in 한국어). Retrieved 18 April 2025.
  18. ^ Page Module:Citation/CS1/styles.css has no content.Seo, Min-gyu (28 March 2025). "신안산선 '사화성~원시', 2026년 3월 우선 개통-화성신문" [Shin Ansan Line 'Seohwaseong-Wonsi', priority opening in March 2026]. 화성신문 (in 한국어). Retrieved 18 April 2025.
  19. ^ Page Module:Citation/CS1/styles.css has no content."대곡~소사 복선전철 마침내 첫삽, 2020년 개통". 22 December 2015.

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