Seoul Subway Line 1: Difference between revisions
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| caption = {{small|[[Seoul Metro 1000 series (VVVF)|Seoul Metro 1000 series]] EMU in December 2017<br>(bottom)<br>[[Korail Class 311000]] series EMU in February |
| caption = {{small|[[Seoul Metro 1000 series (VVVF)|Seoul Metro 1000 series]] EMU in December 2017<br>(bottom)<br>[[Korail Class 311000]] series EMU in February 2021<br>(top)}} |
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| type = [[Rapid transit]] / [[Commuter Rail]] |
| type = [[Rapid transit]] / [[Commuter Rail]] |
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| system = [[Seoul Metropolitan Subway]] |
| system = [[Seoul Metropolitan Subway]] |
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Revision as of 14:53, 30 July 2023
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  Seoul Metro 1000 series EMU in December 2017 (bottom) Korail Class 311000 series EMU in February 2021 (top) | |||
| Overview | |||
| Native name | 1호선（一號線） Il Hoseon | ||
| Status | Operational | ||
| Termini | |||
| Stations | 97 Seoul Metro: 10 Korail: 87 | ||
| Service | |||
| Type | Rapid transit / Commuter Rail | ||
| System | Seoul Metropolitan Subway | ||
| Operator(s) | Seoul Metro, Korail | ||
| History | |||
| Opened | August 15, 1974 | ||
| Technical | |||
| Line length | 200.6 km (124.6 mi) Seoul Metro: 7.8 km (4.8 mi)[1] Korail: 192.8 km (119.8 mi) | ||
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge | ||
| Electrification | 1,500 V DC (Hoegi to Namyeong) 25 kV AC at 60 Hz (Soyosan to Hoegi and Namyeong to Incheon / Sinchang / Gwangmyeong / Seodongtan) | ||
| Operating speed | 110 km/h (68 mph) | ||
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Seoul Subway Line 1 (dubbed The Dark Blue Line) of the Seoul Metropolitan Subway is a rapid transit and commuter rail line which links central Seoul, South Korea to Soyosan Station in the northeast, Incheon in the southwest, and Sinchang via Suwon and Cheonan in the south. The central underground portion of Line 1, running underneath Sejongno, Jongno, and Wangsan-ro avenues along Seoul's traditional downtown area, is the oldest subway-operated section in the Seoul Metropolitan Subway system. Its branches and services cover a large part of the Seoul Capital Area; totaling 200.60 km (124.65 mi) in route length.
The underground section between Seoul Station and Cheongnyangni station, which is referred to as Seoul Metro Line 1 (7.8 km [4.8 mi]) after its operator, is currently operated by Seoul Metro, and is electrified at the subway standard of 1,500 V DC.[1][2] The line first opened in 1974 as the Korean National Railroad of Seoul with through services to newly-electrified (at the mainline KNR standard of 25 kV AC 60 Hz) national mainline railways from Seongbuk station (now: Kwangwoon University station) to Incheon and Suwon Stations.[3] This was the first electrified rapid transit line and service in South Korea and the second in the Korean Peninsula after the Pyongyang Metro in North Korea opened the year before.
Frequent service is provided between Soyosan, Dongducheon, Uijeongbu, Cheongnyangni, Seoul, Yongsan, and Guro, where trains split between Incheon in the west and Byeongjeom and Cheonan in the south. Express trains operate from Yongsan and Seoul stations to Dongincheon and Sinchang stations. Trains run every 3-6 min in the central route between Seoul Station and Cheongnyangni, every 6-9 min between Seoul and Guro, every 8-10 min between Guro and Incheon and between Guro and Byeongjeom, every 10-15 min from Byeongjeom to Cheonan, and every 35 min between Cheonan and Sinchang and service up to the Dongducheon area and Soyosan station.
Trains travel along Gyeongbu (Seoul-Cheonan), Gyeongin (Guro-Incheon), Janghang (Cheonan-Sinchang), and Gyeongwon (Hoegi-Soyosan) railway lines. The line runs on the left-hand side of the track, as opposed to the right-hand side of the track like all other Seoul Metropolitan Subway lines (another exception to this is Seoul Subway Line 4 although it runs on the right-hand side until Namtaeryeong station, and operates on the left-hand side for the parts afterwards)[4] since railways in Korea generally run on the left side.
Rapid (Express) trains
Korail operates a variety of express "rapid" (Korean: 급행 geup-haeng, Hanja: 急行) trains for long distance commuter services on Line 1. These services include:
- Gyeongin line express services from Yongsan to Dongincheon, operating express between Guro and Dongincheon, including:
- Regular express services, introduced on January 29, 1999, following quadruple-tracking of the Gyeongin Line.
- Faster limited express (Korean: 특급 teuk-geup) trains, introduced on July 7, 2017.
- Gyeongbu line express services from Cheongnyangni to Cheonan or Sinchang, operating express between Gasan Digital Complex and Cheonan and running local elsewhere.
- Green Gyeongbu line express service from Seoul Station to Cheonan or Sinchang, originating at a platform adjacent to Seoul Station, skipping all stations between Seoul Station and Geumcheon-gu Office Station, making intermediate stops at Anyang, Gunpo, Uiwang, and Sungkyunkwan University, and then following the red Gyeongbu line express service pattern south of Suwon. Northbound services (departing from Cheonan/Sinchang and terminating at Seoul Station) stop at Yeongdeungpo station, but southbound services are unable to due to the lack of a raised platform. This service was introduced on September 25, 1982.[5]
- Gyeongwon line express services from Dongducheon (although several trains originate from Soyosan) to Incheon, operating express between Dongducheon and Kwangwoon University and running local between Incheon and Kwangwoon University.
Former express services include:
- One late night Gyeongin line express service that originated at Soyosan, made all stops to Guro, then made express stops until Incheon.
- Yeongdeungpo-Byeongjeom Gyeongbu line express service, skipping all stations between Yeongdeungpo and Anyang and then following the Yeongsan-Cheonan/Sinchang express service pattern south of Anyang until Byeongjeom. This service was introduced on August 25, 2014 and was discontinued on December 9, 2016.
- Two faster Yongsan-Sinchang limited express trains (one in each direction), introduced in 2013. This train only operated on weekends and holidays. It was discontinued on July 1, 2018.
Electrification
Seoul Subway Line 1 is powered by 1500 V direct current on the underground tunnel segment between Cheongnyangni station and Seoul Station, and by 25000 V alternating current (60 Hertz frequency) on the rest of the line. Because of this different manner of offering electric current, there are neutral sections between Cheongnyangni station and Hoegi station, as well as between Seoul Station and Namyeong station. All Line 1 rolling stock are similarly required to be multi-system compatible with both electrification systems.
Stations
Until 2000, the 7.8 km (4.8 mi) underground city-center portion run by Seoul Metro Corporation—one of Seoul Metro's predecessors—was the only section properly referred to as Line 1 and labeled red on maps. On the other hand, the remaining sections of the rail line run by Korail were referred to as Korean National Railroad of Seoul and the local all-stop services labeled either blue or gray on maps, while the express services were labelled thin red. Since 2000, all adjacent through-running Korail services from the Gyeongbu, Gyeongin and Gyeongwon Lines, as well as later Korail-operated extensions and branches, are officially bundled together with the aforementioned underground portion as part of a greater Line 1, and the labeling on maps was changed and standardized to the current dark blue color (as illustrated in the map below); also to avoid confusion with Line 4's light blue color. (A slightly different shade of red is now used to label the Shinbundang Line which opened in 2011.)
.svg)
Main Lines
Local lines:
- Soyosan, Dongducheon, Uijeongbu or Yangju — Incheon
- Uijeongbu (3 times only on weekdays), Kwangwoon Univ. or Cheongnyangni — Cheonan, Sinchang, or Seodongtan
- Yeongdeungpo — Gwangmyeong (shuttle)
Express lines:
- GW: Gyeongwon Express (Soyosan or Dongducheon - Incheon)
- GI: Gyeongin Express (Yongsan – Dongincheon)
- GI LE: Gyeongin Limited Express (Yongsan – Dongincheon)
- GB A: Gyeongbu Express (Cheongnyangni – Cheonan or Sinchang)
- GB B: Gyeongbu Express (Seoul – Cheonan or Sinchang)
※ Only Korail trains are used for express trains.
Key:
| ● | Stops at the station |
| ｜ | Does not stop at the station |
| ○ | Limited service |
Yeongdeungpo – Gwangmyeong shuttle service
| Station Number |
Station Name English |
Station Name Hangul |
Station Name Hanja |
Transfer | Line Name | Distance in km |
Total Distance |
Location | |
|---|---|---|---|---|---|---|---|---|---|
P144
|
Geumcheon-gu Office | 금천구청 | 衿川區廳 |  (Main Lines)
|
1.2
|
68.0
|
|||
P144-1
|
Gwangmyeong | 광명 | 光明 | 
|
4.7
|
72.7
|
|||
Byeongjeom Depot spur service
| Station Number |
Station Name English |
Station Name Hangul |
Station Name Hanja |
Transfer | Distance in km |
Total Distance |
Location | |
|---|---|---|---|---|---|---|---|---|
P157
|
Byeongjeom (Hanshin Univ.) |
병점 (한신대) |
餅店 |
|
4.3
|
99.4
|
||
P157-1
|
Seodongtan | 서동탄 | 西東灘 | 2.2
|
101.6
|
|||
Historical Timeline
1974
- August 15: Line 1 is officially opened with 9 stations from Seoul to Cheongnyangni (whose distance is 7.8 kilometers (4.8 mi)),[1] creating a system of 28 stations (excluding the 9 metro stations) on national railroads from Seongbuk station (now: Kwangwoon University station, the then-northern terminus) to Incheon Station and Suwon Station. Korail is named Korean National Railroad, with Line 1 just referring to the Seoul-Cheongnyangni section.
1978
- December 9: The Gyeongwon Line from Yongsan to Seongbuk opens as a new branch, with Ichon and Seongsu (now part of the Jungang Line).
1979
- February 1: Yuljeon Station is opened.
1980
- January 5: Sinimun Station is opened.
- April 1: Seobinggo, Hannam and Hoegi (now part of the Jungang Line) are opened.
- July 10: Seongsu is renamed Eungbong Station
1982
- August 2: Seoksu Station is opened.
1984
- January 1: Yuljeon Station is renamed Seongdae-ap Station.
- May 22: Sindorim Station is opened.
- November 20: Baegun Station is opened.
1985
- January 14: Seokgye Station is opened.
- April 20: Chang-dong is opened as a northward extension.
- August 22: Wolgye and Nokcheon are opened.
- October 18: Oksu Station (now part of the Jungang Line) is opened.
1986
- September 2: 6 stations from Uijeongbu to Chang-dong are opened as a northward extension.
1987
- October 5: Uijeongbu Bukbu Station is opened.
- December 31: Jung-dong Station is opened.
1988
- January 16: Onsu Station is opened.
- October 25: The Ansan Line is opened as a southward branch, from Geumjeong Station to Ansan Station.
1994
- July 11: Ganseok and Dowon are opened.
- December 1: Seongdae-ap Station is renamed to Sungkyunkwan University.
1995
- February 16: Guil Station is opened.
1996
- January 1: Hwigyeong Station is renamed to Hankuk University of Foreign Studies Station
- March 28: Bugae Station is opened.
1997
- April 30: Sosa Station is opened.
1998
2000
- Korea National Railroad and Line 1 are integrated as Seoul (Metropolitan) Subway Line 1.
2001
- November 30: Dohwa Station is opened.
2003
- April 30: Seryu and Byeongjeom are opened as a southward extension. The Ansan Line service is replaced with an extended Seoul Subway Line 4.
2004
- August 25: Bugok Station is renamed Uiwang Station.
2005
- January 20: 8 stations from Byeongjeom to Cheonan are opened as another southward extension.
- December 16: The Gyeongwon Line branch from Yongsan Station to Hoegi Station and the Jungang Line from Hoegi Station to Deokso Station open and are renamed to the separate Yongsan-Deokso Line. This service was the predecessor to the current Jungang Line.
- December 21: Dongmyo Station is opened.
- December 27: Sema and Osan College Stations are opened.
2006
- June 30: Jinwi and Jije Stations are opened.
- July 1: Garibong Station is renamed to Gasan Digital Complex.
- December 15: 8 stations from Soyosan to Uijeongbu Bukbu are opened as a northward extension. A spur line to Gwangmyeong Station is created. Uijeongbu Bukbu Station is renamed to Ganeung.
2007
- December 28: Deokgye Station is opened.
2008
- December 15: 6 stations from Cheonan to Sinchang are opened as another southward extension.
- December 29: Siheung Station is renamed to Geumcheon-gu Office.
2010
- January 21: Dangjeong Station is opened.
- February 26: Seodongtan Station is opened.
2015
2017
- July 6: A new limited express service was launched between Yongsan and Dongincheon stations.
2019
- December 30: All Gyeongbu Line express trains start stopping at Geumjeong and Sungkyunkwan University stations and are extended to Cheongnyangni. Gyeongbu Line express trains no longer stop at Gunpo station.
2021
- October 30: Tangjeong station opened as an in-fill station between Asan and Baebang.
Future Plans
Line 1 will be extended northward from Soyosan Station to Yeoncheon Station on the Gyeongwon Line, replacing the current "Commuter Train" service operating there. Construction on this extension began in September 2014 and is expected to be completed in May 2023.
Rolling stock
Current
- Seoul Metro 1000 series
- Rheostat-controlled electric car (rebuilt cars) – since 1974
- VVVF inverter-controlled electric car – since 1999
- Korail Class 311000
- First generation – since 1996
- Second generation – since 2003
- Third generation – since 2005
- Fourth generation – since 2019 (Korail Class 312000)
- Korail Class 319000 (for Gwangmyeong Shuttle) – since 2006
-
Seoul Metro 1000 series rheostat-controlled EMU (rebuilt cars) -
Seoul Metro 1000 series VVVF inverter-controlled EMU -
Korail Class 311000 (First generation) -
Korail Class 311000 (Second generation) -
Korail Class 311000 (Third generation) -
Korail Class 312000 (Fourth generation) -
Korail Class 319000
Former
- Seoul Metro 1000 series
- Rheostat-controlled electric car (1st batch) – 1974-2002
- Korail Class 1000
- First generation – 1974-2004 (some non-driving cars lasted until 2014)
- Second generation – 1986-2017 (some non-driving cars lasted until 2019)
- Third generation – 1994-2020
-
Preserved Korail Class 1000 (1st batch car) -
Korail Class 1000 (2nd batch) -
Korail Class 1000 (3rd batch) -
Seoul Metro 1000 series (1st batch car) on Gyeongbu Line, October 1988
Depots and facilities
(from north to south)
- Majeon signal box between Deokye and Yangju Stations
- Chang-dong Depot (shared with Line 4, operated by Seoul Metro)
- Seongbuk Depot
- Imun Depot
- Guro Depot
- Siheung Depot (actually after Oido Station on Line 4, also used for heavy maintenance of Line 1 trains owned by Korail, accessed by a crossover located after Geumjeong Station)
- Byeongjeom Depot
See also
References
- ^ a b c 지하철건설현황 [Status of Subway Construction] (in Korean). Seoul City Government. Retrieved 2014-02-22.
- ^ "서울교통공사 블로그 : 네이버 블로그". blog.naver.com. Retrieved 2021-05-31.
- ^ "Seoul's first subway line opened in 1974". Korea Times. 2011-02-13. Retrieved 2014-07-25.
- ^ (in Korean) <오후여담>좌측통행, Munhwailbo
- ^ "20일부터 하루3회 서울驛(역)~水原(수원) 직통電鐵(전철)운행".
External links
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