Seoul Subway Line 4

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Line 4
South Korea subway logo.svg Seoul Metro Line 4.png
Korail Line 4 train at Geumjeong.JPG
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 (1985-04-20)
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[edit]

Station
Number
Station Name
English
Station Name
Hangul
Station Name
Hanja
Transfer
Line Name
Distance
in km
Total
Distance
Location
409
Danggogae 당고개 당고개
Line 4
---
0.0
Seoul
Nowon-gu
410
Sanggye 상계
1.2
1.2
411
Nowon 노원 Seoul Metro Line 7.png
1.0
2.2
412
Chang-dong 창동 Seoul Metro Line 1.png
1.4
3.6
Dobong-gu
413
Ssangmun 쌍문
1.3
4.9
414
Suyu
(Gangbuk-gu Office)
수유
(강북구청)

()
1.5
6.4
Gangbuk-gu
415
Mia
(Seoul Cyber University)
미아
(서울사이버대학)

(서울사이버)
1.4
7.8
416
Miasageori 미아사거리 사거리
1.5
9.3
417
Gireum 길음
1.3
10.6
Seongbuk-gu
418
Sungshin Women's University
(Donam)
성신여대입구
(돈암)

()
 Ui  (2016)
1.4
12.0
419
Hansung University
(Samseongyo)
한성대입구
(삼선교)

()
1.0
13.0
420
Hyehwa 혜화
0.9
13.9
Jongno-gu
421
Dongdaemun 동대문 Seoul Metro Line 1.png
1.5
15.4
422
Dongdaemun History & Culture Park 동대문역사문화공원 Seoul Metro Line 2.png Seoul Metro Line 5.png
0.7
16.7
Jung-gu
423
Chungmuro 충무로 Seoul Metro Line 3.png
1.3
17.4
424
Myeong-dong 명동
0.7
18.1
425
Hoehyeon
(Namdaemun Market)
회현
(남대문시장)

()
0.7
18.8
426
Seoul Station 서울역 서울驛 Seoul Metro Line 1.png
 Gyeongui–​Jungang  (Seoul Station brach)
Seoul Metro Arex Line.png
KTX logo.svg Gyeongbu HSR
KTX logo.svg Gyeongbu Korail logo.svg Gyeongbu
0.9
19.7
Yongsan-gu
427
Sookmyung Women's University
(Garwol)
숙대입구
(갈월)

()
1.0
20.7
428
Samgakji 삼각지 Seoul Metro Line 6.png
1.2
21.9
429
Sinyongsan 신용산
0.7
22.6
430
Ichon
(National Museum of Korea)
이촌
(국립중앙박물관)

()
 Gyeongui–​Jungang   Shinbundang  (2018)
1.3
23.9
431
Dongjak
(Seoul National Cemetery)
동작
(현충원)

()
Seoul Metro Line 9.png
2.7
26.6
Dongjak-gu
432
Chongshin University
(Isu)
총신대입구
(이수)

()
Seoul Metro Line 7.png (Isu)
1.8
28.4
433
Sadang 사당 Seoul Metro Line 2.png
1.1
29.5
434
Namtaeryeong 남태령
1.6
31.1
Seocho-gu
435
Seonbawi 선바위 선바위
Gwacheon
Line
2.0
33.1
Gyeonggi-do
Gwacheon-si
436
Seoul Racecourse Park 경마공원
1.0
34.1
437
Seoul Grand Park 대공원
0.9
35.0
438
Gwacheon 과천
1.0
36.0
439
Government Complex Gwacheon 정부과천청사
1.0
37.0
440
Indeogwon 인덕원
3.0
40.0
Anyang-si
441
Pyeongchon 평촌
1.6
41.6
442
Beomgye 범계 범계
1.3
42.9
443
Geumjeong 금정 Seoul Metro Line 1.png
Ansan
Line
2.6
45.5
Gunpo-si
444
Sanbon 산본
2.3
47.8
445
Surisan 수리산
1.1
48.9
446
Daeyami 대야미
2.6
51.5
447
Banwol 반월
2.0
53.5
Ansan-si
448
Sangnoksu 상록수
3.7
57.2
449
Hanyang University at Ansan 한대앞
1.5
58.7
450
Jungang 중앙
1.6
60.3
451
Gojan 고잔
1.4
61.7
452
Choji 초지 Sosa–Wonsi (2016)
1.5
63.2
453
Ansan 안산
1.8
65.0
454
Singil Oncheon 신길온천
2.2
67.2
455
Jeongwang 정왕
2.9
70.1
Siheung-si
456
Oido 오이도  Suin 
1.4
71.5

Depots, junctions, and points of interest[edit]

(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[edit]

Current[edit]

Seoul Metro[edit]

Seoul Metro 4000 series
  • Seoul Metro 4000 series
    • MELCO GTO-VVVF inverter controlled electric car (fleet No. 401~409, 451~463)
    • Woojin IGBT-VVVF inverter controlled electric car (fleet No. 410~426, 464~471)

Korail[edit]

  • Korail Class 341 (ex-Korail Class 2030: 1st Batch, 2nd Batch)

Former[edit]

Seoul Metro[edit]

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

Korail[edit]

Extension[edit]

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

Station
Number
Station Name
English
Station Name
Hangul
Station Name
Hanja
Transfer
Line Name
Distance
in km
Total
Distance
Location
406
Jinjeop 진접
Line 4
Gyeonggi-do
Namyangju
407
Onam 오남
408
North Byeolnae 북별내

See also[edit]

References[edit]

  1. ^ 지하철건설현황 [Status of Subway Construction] (in Korean). Seoul City Government. Retrieved 2014-02-22. 
  2. ^ "Metro Lines & Trains in Operation". Korail. Retrieved 2014-07-25. 
  3. ^ "4호선 연장 및 창동차량기지 이전 공동 선언식" (Korean). 연합뉴스. 17 October 2012. Retrieved 5 November 2012.