Line 1
Seoul Metro 1000 series EMU in December 2017
(bottom)
Korail Class 311000 series EMU in February 2021
(top)
Overview
Native name1호선（一號線）
Il Hoseon
StatusOperational
OwnerSeoul Special City,
South Korean Government
Line number1
LocaleSeoul Capital Area
Termini
Stations102
Seoul Metro: 10
Korail: 92
Service
TypeRapid transit / Commuter Rail
SystemSeoul Metropolitan Subway
ServicesLocal:
Yeoncheon / Soyosan / Dongducheon ↔ Incheon,
Kwangwoon U ↔ Seodongtan / Cheonan / Sinchang,
Yeongdeungpo ↔ Gwangmyeong
Express:
Cheongnyangni ↔ Cheonan / Sinchang,
Dongducheon ↔ Incheon
(AM Rush & off-peak weekdays),
Yongsan ↔ Dongincheon,
Seoul Station ↔ Cheonan/Sinchang
(weekday RH, peak direction only)
Operator(s)Seoul Metro, Korail
History
OpenedAugust 15, 1974
Technical
Line length200.6 km (124.6 mi)
Seoul Metro: 7.8 km (4.8 mi)[1]
Korail: 192.8 km (119.8 mi)
Track gauge1,435 mm (4 ft 8+1⁄2 in) standard gauge
Electrification1,500 V DC
(Seoul Metro section)
25 kV AC at 60 Hz
(Korail section)
Operating speed110 km/h (68 mph)
Route map

 Gyeongwon Line
 ↑Yeoncheon/Dongducheon↓
0.0
 Soyosan
2.5
 Dongducheon
4.1
 Bosan
5.5
 Dongducheon Jungang
6.5
 Jihaeng
12.1
 Deokjeong
15.0
 Deokgye
Majeon Signal Box
20.3
 Yangju
21.9
 Nogyang
 ←Gyooe Line
23.2
 Ganeung
24.4
 Uijeongbu
26.0
 Hoeryong U Line
27.4
 Mangwolsa
 ↑Uijeongbu/Seoul↓
29.7
 Dobongsan
30.9
 Dobong
32.2
 Banghak
33.9
 Chang-dong
34.9
 Nokcheon
36.3
 Wolgye
 formal Gyeongchun Line
37.4
 Kwangwoon Univ.
38.5
 Seokgye
Imun Rail Yard
39.9
 Sinimun
Mangu Line(     Gyeongchun Line)→
40.7
 Hankuk Univ. of Foreign Studies
      Gyeongui–Jungang Line      Gyeongchun Line→
41.5
 Hoegi
 ↑AC section/DC section↓ (neutral section)
     Gyeongui–Jungang Line      Gyeongchun Line
42.9
 Cheongnyangni
     Gyeongui–Jungang Line→
43.9
 Jegi-dong
connection line→
44.8
 Sinseol-dong Ui LRT
45.5
 Dongmyo
Since 2005
46.1
 Dongdaemun
46.9
 Jongno 5(o)-ga
47.8
 Jongno 3(sam)-ga
48.6
 Jonggak
49.6
 City Hall
(↖)Gyeongui Line, (→)
50.7
 Seoul Station
(←), (→)
 ↑DC section/AC section↓ (neutral section)
52.4
 Namyeong
←     Gyeongui–Jungang Line
53.9
 Yongsan
Yongsan Triangular line
Yongsan Rail Yard (closed)
 Han River
56.5
 Noryangjin
58.0
 Daebang Sillim Line
58.8
 Singil
59.8
 Yeongdeungpo
61.3
 Sindorim
62.4
 Guro
←Gyeongin (to Incheon)
 Guro Rail Yard
Northbound/Southbound
64.8
 Gasan Digital Complex
66.8
 Doksan
68.0
 Geumcheon-gu Office
←Gyeongbu high-speed railway (Siheung connecting line)
(72.7)
 Gwangmyeong
70.3
 Seoksu
72.2
 Gwanak
74.6
 Anyang
76.8
 Myeonghak
 →
78.2
 Geumjeong
 ←
80.4
 Gunpo
81.6
 Dangjeong
84.6
 Uiwang
87.5
 Sungkyunkwan Univ.
90.1
 Hwaseo
92.2
 Suwon      Suin–Bundang Line
95.1
 Seryu
99.4
 Byeongjeom
Byeongjeom Rail Yard
(101.6)
 Seodongtan
101.8
 Sema
104.5
 Osan Univ.
107.2
 Osan
111.2
 Jinwi
115.0
 Songtan
117.2
 Seojeongni
122.0
 PyeongtaekJije
125.7
 Pyeongtaek
135.1
 Seonghwan
140.5
 Jiksan
144.3
 Dujeong
147.3
 Cheonan
Gyeongbu Line (to Daejeon→
148.8
 Bongmyeong
150.3
 Ssangyong
151.8
 Asan
←Gyeongbu high-speed railway→
 Tangjeong
156.7
 Baebang
161.6
 Onyangoncheon
166.7
 Sinchang
 Janghang Line (to Iksan station)

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 Yeoncheon 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.

Service to Yeoncheon is approximately once per hour, limited due to the single track section approaching Soyosan station. This service is meant to be the replacement for the Gyeongwon line commuter trains, which began at Dongducheon station prior to its closure.

Trains travel along Gyeongbu (Seoul-Cheonan), Gyeongin (Guro-Incheon), Janghang (Cheonan-Sinchang), and Gyeongwon (Hoegi-Yeoncheon) 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, Hanja: 特急) 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 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.

Cheongnyangni-Hoegi DC-AC neutral section

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.)

Main Lines

Local lines:

  • Yeoncheon, 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 (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
Station
Number		 Station Name
English		 Station Name
Hangul		 Station Name
Hanja		 GW GI GI LE GB A GB B Transfer Line Name Distance
in km		 Total
Distance		 Location
100 Soyosan 소요산逍遙山 No service No service No service Gyeongwon Line --- 0.0 Gyeonggi-do Dongducheon-si
101 Dongducheon 동두천東豆川 ● 2.5 2.5
102 Bosan 보산保山 ｜ 1.6 4.1
103 Dongducheon Jungang 동두천중앙東豆川中央 ● 1.4 5.5
104 Jihaeng 지행紙杏 ● 1.0 6.5
105 Deokjeong
(Seojeong Univ.)		 덕정
(서정대학교)		德亭 ● 5.6 12.1 Yangju-si
106 Deokgye 덕계德溪 ｜ 2.9 15.0
107 Yangju
(Kyungdong Univ.)		 양주
(경동대)		楊州 ● 5.3 20.3
108 Nogyang 녹양綠揚 ｜ 1.6 21.9 Uijeongbu-si
109 Ganeung
(Eulji Univ. Medical Center)		 가능
(을지대병원)		佳陵 ｜ 1.3 23.2
110 Uijeongbu 의정부議政府 ● 1.2 24.4
111 Hoeryong 회룡回龍 ● U Line 1.6 26.0
112 Mangwolsa
(Shinhan Univ. Campus Number 1)		 망월사
(신한대 제1캠퍼스)		望月寺 ｜ 1.4 27.4
113 Dobongsan 도봉산道峰山 ● 2.3 29.7 Seoul Dobong-gu
114 Dobong 도봉道峰 ｜ 1.2 30.9
115 Banghak
(Dobong-gu Office)		 방학
(도봉구청)		放鶴 ｜ 1.3 32.2
116 Chang-dong 창동倉洞 ● 1.7 33.9
117 Nokcheon 녹천鹿川 ｜ 1.0 34.9
118 Wolgye
(Induk Univ.)		 월계
(인덕대학)		月溪 ｜ 1.4 36.3 Nowon-gu
119 Kwangwoon Univ. 광운대光云大 ● Gyeongchun Line 1.1 37.4
120 Seokgye 석계石溪 Makes all stops 1.1 38.5
121 Sinimun 신이문新里門 1.4 39.9 Dongdaemun-gu
122 Hankuk Univ. of Foreign Studies 외대앞外大앞 0.8 40.7
123 Hoegi 회기回基 Gyeongui–Jungang Line Gyeongchun Line 0.8 41.5
124 Cheongnyangni
(University of Seoul)		 청량리
(서울시립대입구)		淸凉里 Makes all stops Gyeongui–Jungang Line Gyeongchun Line Suin–Bundang Line
Mugunghwa-ho, Nuriro, ITX-Saemaeul, A-Train, DMZ Train & ITX-Cheongchun services
 Seoul Metro Line 1 1.4 42.9
125 Jegi-dong
(Korea Association of Health Promotion)		 제기동
(한국건강관리협회)		祭基洞 1.0 43.9
126 Sinseol-dong 신설동新設洞 (Seongsu Branch) Ui LRT 0.9 44.8
127 Dongmyo 동묘앞東廟앞 0.7 45.5 Jongno-gu
128 Dongdaemun 동대문東大門 0.6 46.1
129 Jongno 5(o)-ga 종로5가鍾路5街 0.8 46.9
130 Jongno 3(sam)-ga 종로3가鍾路3街 0.9 47.8
131 Jonggak
(Standard Chartered Bank Korea)		 종각
(SC제일은행)		鐘閣 0.8 48.6
132 City Hall 시청市廳 1.0 49.6 Jung-gu
133 Seoul Station 서울역서울驛 ● Gyeongui–Jungang Line (Seoul Station branch)
Mugunghwa-ho, ITX-Saemaeul, S-Train & DMZ Train services
 1.1 50.7
134 Namyeong 남영南營 ｜ Gyeongbu Line 1.7 52.4 Yongsan-gu
135 Yongsan 용산龍山 ● ● ｜ Gyeongui–Jungang Line
Mugunghwa-ho, Saemaeul-ho, ITX-Saemaeul, ITX-Cheongchun & G-Train services
 1.5 53.9
136 Noryangjin 노량진鷺梁津 ● ● ｜ 2.6 56.5 Dongjak-gu
137 Daebang 대방大方 ● ｜ ｜ Sillim Line 1.5 58.0 Yeongdeungpo-gu
138 Singil 신길新吉 ● ｜ ｜ 0.8 58.8
139 Yeongdeungpo 영등포永登浦 ● ● ●↑ Mugunghwa-ho, Saemaeul-ho & ITX-Saemaeul services
 1.0 59.8
140 Sindorim 신도림新道林 ● ● ｜ 1.5 61.3 Guro-gu
141 Guro 구로九老 ● ● ｜ 1.1 62.4
142 Guil
(Dongyang Mirae Univ.)		 구일
(동양미래대학)		九一 ｜ ｜ No service Gyeongin Line 1.4 63.8
143 Gaebong 개봉開峰 ● ｜ 1.0 64.8
144 Oryu-dong 오류동梧柳洞 ｜ ｜ 1.3 66.1
145 Onsu
(Sungkonghoe Univ.)		 온수
(성공회대입구)		溫水 ｜ ｜ 1.9 68.0
146 Yeokgok
(The Catholic Univ. of Korea)		 역곡
(가톨릭대)		驛谷 ● ● 1.3 69.3 Gyeonggi-do Bucheon-si
147 Sosa
(Seoul Theological Univ.)		 소사
(서울신대)		素砂 ｜ ｜ Seohae Line 1.5 70.8
148 Bucheon
(Bucheon Univ.)		 부천
(부천대)		富川 ● ● 1.1 71.9
149 Jung-dong 중동中洞 ｜ ｜ 1.7 73.6
150 Songnae 송내松內 ● ● 1.0 74.6
151 Bugae 부개富開 ｜ ｜ 1.2 75.8 Incheon Bupyeong-gu
152 Bupyeong
(The Catholic Univ. of Korea Incheon St. Mary's Hospital)		 부평
(가톨릭대 인천성모병원)		富平 ● ● Incheon Subway Line 1 1.5 77.3
153 Baegun 백운白雲 ｜ ｜ 1.7 79.0
154 Dongam 동암銅岩 ● ｜ 1.5 80.5
155 Ganseok 간석間石 ｜ ｜ 1.2 81.7 Michuhol-gu
156 Juan 주안朱安 ● ● Incheon Subway Line 2 1.2 82.9
157 Dohwa 도화道禾 ｜ ｜ 1.0 83.9
158 Jemulpo
(Incheon Univ. Jemulpo Campus)		 제물포
(인천대학교 제물포캠퍼스)		濟物浦 ● ｜ 1.0 84.9
159 Dowon 도원桃源 ｜ ｜ 1.4 86.3 Jung-gu
160 Dongincheon 동인천東仁川 ● ● 1.2 87.5
161 Incheon 인천仁川 No service Suin–Bundang Line 1.9 89.4
↑ Joins other services at Guro Station ↑
141 Guro 구로九老 ● ● ● ● ｜ Gyeongbu Line 1.1 62.4 Seoul Guro-gu
P142 Gasan Digital Complex
(Mario Outlet)		 가산디지털단지
(마리오아울렛)		加山디지털團地 No service ● ｜ 2.4 64.8 Geumcheon-gu
P143 Doksan 독산禿山 ｜ ｜ 2.0 66.8
P144 Geumcheon-gu Office 금천구청衿川區廳 ○ ● 1.2 68.0
P145 Seoksu 석수石水 ｜ ｜ 2.3 70.3 Gyeonggi-do Anyang-si
P146 Gwanak
(Anyang Art Park)		 관악
(안양예술공원)		冠岳 ｜ ｜ 1.9 72.2
P147 Anyang 안양安養 ● ● Mugunghwa-ho (limited service) 2.4 74.6
P148 Myeonghak
(Sungkyul Univ.)		 명학
(성결대)		鳴鶴 ｜ ｜ 2.2 76.8
P149 Geumjeong 금정衿井 ● ｜ 1.4 78.2 Gunpo-si
P150 Gunpo 군포軍浦 ｜ ● 2.2 80.4
P151 Dangjeong
(Hansei Univ.)		 당정
(한세대)		堂井 ｜ ｜ 1.2 81.6
P152 Uiwang
(Korea Nat'l Univ. of Transportation)		 의왕
(한국교통대)		義王 ○ ● 3.0 84.6 Uiwang-si
P153 Sungkyunkwan Univ. 성균관대成均館大 ● ● 2.9 87.5 Suwon-si
P154 Hwaseo 화서華西 ｜ ｜ 2.6 90.1
P155 Suwon 수원水原 ● ● Suin–Bundang Line
Mugunghwa-ho, Saemaeul-ho, ITX-Saemaeul, G-Train, & S-Train services
 2.1 92.2
P156 Seryu 세류細柳 ｜ ｜ 2.9 95.1
P157 Byeongjeom
(Hanshin Univ.)		 병점
(한신대)		餅店 ● ● 4.3 99.4 Hwaseong-si
P158 Sema 세마洗馬 ｜ ｜ 2.4 101.8 Osan-si
P159 Osan Univ. 오산대烏山大 ｜ ｜ 2.7 104.5
P160 Osan 오산烏山 ● ● Mugunghwa-ho (limited service) 2.7 107.2
P161 Jinwi 진위振威 ｜ ｜ 4.0 111.2 Pyeongtaek-si
P162 Songtan 송탄松炭 ｜ ｜ 3.8 115.0
P163 Seojeongni
(Kookje College)		 서정리
(국제대학)		西井里 ● ● Mugunghwa-ho (limited service) 2.2 117.2
P164 PyeongtaekJije
(Korea Nat'l Univ. of Welfare)		 평택지제
(한국복지대학)		平澤芝制 ｜ ｜ SRT 4.8 122.0
P165 Pyeongtaek 평택平澤 ● ● Mugunghwa-ho, Saemaeul-ho (limited service) & ITX-Saemaeul (limited service) 3.7 125.7
P166 Seonghwan
(Namseoul Univ.)		 성환
(남서울대)		成歡 ● ● Mugunghwa-ho (limited service) 9.4 135.1 Chungcheongnam-do Cheonan-si
P167 Jiksan 직산稷山 ｜ ｜ 5.4 140.5
P168 Dujeong 두정斗井 ● ● 3.8 144.3
P169 Cheonan 천안天安 ● ● Mugunghwa-ho, Saemaeul-ho, ITX-Saemaeul & S-Train services 3.0 147.3
P170 Bongmyeong 봉명鳳鳴 Makes all stops (limited service) Janghang Line 1.3 148.6
P171 Ssangyong
(Korea Nazarene Univ.)		 쌍용
(나사렛대)		雙龍 1.6 150.2
P172 Asan
(Sun Moon Univ.)		 아산
(선문대)		牙山 Mugunghwa-ho, Saemaeul-ho & G-Train

SRT (at Cheonan-Asan Station)		 1.6 151.8 Asan-si
P173 Tangjeong 탕정湯井 1.8 153.6
P174 Baebang 배방排芳 3.1 156.7
P175 Punggi (2025) 풍기豊基
P176 Onyangoncheon 온양온천溫陽溫泉 Mugunghwa-ho, Saemaeul-ho, & G-Train services 4.9 161.6
P177 Sinchang
(Soonchunhyang Univ.)		 신창
(순천향대)		新昌 5.1 166.7

Yeongdeungpo – Gwangmyeong shuttle service

Station
Number		 Station Name
English		 Station Name
Hangul		 Station Name
Hanja		 Transfer Line Name Distance
in km		 Total
Distance		 Location
↑ Same stops as all-stop Gyeongbu Line services until Yeongdeungpo ↑
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
↑ Joins other Gyeongbu Line services at Byeongjeom ↑
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

Fragment of a Seoul Subway map from the early 1980s, which shows the Korail-managed portions of Line 1 in blue and the Seoul Metro-managed underground portion as red.

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

January 7: Singil and Doksan are opened.

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

February 3: Gyeongin Line express trains start stopping at Gaebong and Jemulpo stations.

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.

2023

December 16: 3 stations from Soyosan station to Yeoncheon station on the Gyeongwon Line are opened as a northward extention of the line.

Rolling stock

Current

  • Seoul Metro 1000 series
    • Rheostat-controlled electric car (rebuilt cars) – since 1974
    • VVVF inverter-controlled electric car – since 1999 (Restricted to DC/AC neutral areas)
  • Korail Class 311000
    • First generation – since 1996 (Currently in process of being retired)
    • Second generation – since 2003
    • Third generation – since 2005
    • Fourth generation – since 2019 (Korail Class 312000)
  • Korail Class 319000 (for Gwangmyeong Shuttle) – since 2006

Former

  • Seoul Metro 1000 series
    • Rheostat-controlled electric car (1st batch) – Since 1974
  • 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

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

Wikimedia Commons has media related to Seoul Subway Line 1.
  1. 1 2 3 지하철건설현황 [Status of Subway Construction] (in Korean). Seoul City Government. Retrieved 2014-02-22.
  2. ↑ "서울교통공사 블로그 : 네이버 블로그". blog.naver.com. Retrieved 2021-05-31.
  3. ↑ "Seoul's first subway line opened in 1974". Korea Times. 2011-02-13. Retrieved 2014-07-25.
  4. ↑ (in Korean) <오후여담>좌측통행, Munhwailbo
  5. ↑ "20일부터 하루3회 서울驛(역)~水原(수원) 직통電鐵(전철)운행".
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