Suvarna Garge (Editor)

Seoul Subway Line 4

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Native name
  
4호선（四號線）Sa Hoseon

Status
  
Operational

Type
  
Rapid transit

Seoul Subway Line 4 httpsuploadwikimediaorgwikipediacommonsthu

System
  
Seoul Metropolitan Subway

Stations
  
4826-Seoul Metro22-Korail

Opened
  
20 April 1985 (1985-04-20)

Terminis
  
Oido Station, Danggogae Station

Seoul subway line 4 pulling into geumjeong station


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.

Contents

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.

Seoul subway line 4


Extension

Several stations will be added from Danggogae Station. Construction is set to begin in 2015 with a completion target of 2019.

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 1,500 V ↔ AC 25,000 V
  • Ansan Depot (used for simple maintenance of Korail Class 341000 train)
  • 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

    • Seoul Metro

  • 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)

    • Seoul Metro

  • Seoul Metro 4000 series
  • Wide-width GEC Chopper resister controlled electric car (1985–1993, temporary, built for Seoul Subway Line 3)

    • Korail

  • Korail Class 1000 (Ansan Line only)

    • References

    Seoul Subway Line 4 Wikipedia
    (Text) CC BY-SA


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