Seoul Subway Line 4
| Line 4 | |
|---|---|
   | |
| Overview | |
| Native name |
4호선（四號線） Sa Hoseon |
| Type | Rapid transit |
| System | Seoul Metropolitan Subway |
| Status | Operational |
| Termini |
Danggogae Oido |
| Stations |
48 26-Seoul Metro 22-Korail |
| Operation | |
| Opened | 20 April 1985 |
| Operator(s) | Seoul Metro & Korail |
| Technical | |
| Line length |
72.1 km (44.8 mi) 31.7 km (19.7 mi) Seoul Metro[1] 40.4 km (25.1 mi) Korail[2] |
| Number of tracks | 2 |
Seoul Subway Line 4 (dubbed The Blue Line) of the Seoul Metropolitan Subway is a long line crossing from the southwest to the northeast across the Seoul National Capital Area. This is operated by both Korail and Seoul Metro. The southern terminus (Oido) is in Jeongwang 4-dong, Siheung City, and the northern terminus (Danggogae) is in Sanggye 4-dong, Nowon-gu, northern Seoul.
The Transportation and Construction Committee of the National Assembly has approved that the northern end of Line 4 will be extended from Danggogae to Jinjeop, Namyangju. Construction will begin in 2015 with completion date in 2019.[3]
Stations
Extension
Several stations will be added from Danggogae Station. Construction is set to begin in 2015 with a completion target of 2019.
| Number |
English |
Hangul |
Hanja |
|
|
in km |
Distance |
| |
| |
Jinjeop | 진접 | |
|
| ||||
| |
Onam | 오남 | |||||||
| |
Pungyang | 풍양 | |||||||
| |
Bukbyeollae or Byeollae New City | 북별내 or 별내신도시 | |||||||
Depots, junctions, and points of interest
(from Danggogae to Oido)
- Turnback siding (underground) after Danggogae Station
- Changdong Depot (used for Seoul Metro class 4000)
- Connecting track to Line 3 before Chungmuro Station
- Dongjak Bridge
- Chongshin Univ. - Sadang scissors crossover
- Turnback siding (underground) after Sadang Station
- Namtaeryong - Seonbawi track crossing point (flying crossover, switch from right to left-hand traffic, or vice versa)
- The voltage/current switches between DC 1,500V ↔ AC 25,000V
- Ansan Depot (used for simple maintenance of Korail Class 341000train )
- Siheung Depot (used for Korail Class 341000 maintenance and also for heavy maintenance of Korail Class 311000 trains operated on Line 1)
- The largest scale of shell mounds in the South Korean west coast in Oido
Rolling stock
Current
Seoul Metro
Seoul Metro 4000 series
- Seoul Metro 4000 series
- MELCO VVVF-GTO inverter controlled electric car (fleet No. 401~409, 452~463)
- GEC-Alsthom VVVF-GTO inverter controlled electric car (fleet No. 410~426, 464, 465, 468, 469)
- Toshiba VVVF-IGBT inverter controlled electric car (fleet No. 466~467, 470~471)
- Dawonsys VVVF-IGBT inverter controlled electric car (fleet No. 451)
Korail
- Korail Class 341 (ex-Korail Class 2030: 1st Batch, 2nd Batch)
Former
Seoul Metro
- Seoul Metro 4000 series
- Wide-width GEC Chopper resister controlled electric car (from 1985-1993, temporary, built for Seoul Subway Line 3)
Korail
- Korail Class 1000 (Ansan Line only)
See also
References
 |
Wikimedia Commons has media related to Seoul Subway Line 4. |
- ↑ 지하철건설현황 [Status of Subway Construction] (in Korean). Seoul City Government. Retrieved 2014-02-22.
- ↑ "Metro Lines & Trains in Operation". Korail. Retrieved 2014-07-25.
- ↑ "4호선 연장 및 창동차량기지 이전 공동 선언식" (Korean). 연합뉴스. 17 October 2012. Retrieved 5 November 2012.
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