Seoul Subway Line 4

{{short description|Subway line in Gyeonggi-do and Seoul, South Korea}}

{{Infobox rail line

| box_width = 22em

| color = {{rcr|Seoul Metropolitan Subway|4}}

| name = Line 4

| native_name = {{Lang|ko|4호선(四號線)}}
Sa Hoseon

| logo = x40px x40px

| logo_alt =

| image = 265px

| image_width =

| image_alt =

| caption = Seoul Metro 4000 series EMU in July 2023

265px

Korail Class 341000 series EMU in April 2020

| type = Rapid transit

| system = Seoul Metropolitan Subway

| status = Operational

| locale =

| start = Jinjeop

| end = Oido

| stations = 51
26-Seoul Metro
22-Korail
03-Namyangju City Urban Corporation

| routes =

| daily_ridership =

| open = {{start date|df=y|1985|4|20}}

| close =

| owner =

| operator = Seoul Metro, Korail, Namyangju City Urban Corporation

| character =

| depot =

| stock =

| linelength_km =

| linelength = {{convert|85.7|km|abbr=on}}
{{convert|45.3|km|abbr=on}} {{small|Seoul Metro}}{{cite web |url=http://infra.seoul.go.kr/archives/1092 |script-title=ko:지하철건설현황 |publisher=Seoul City Government |language=ko |trans-title=Status of Subway Construction |access-date=2014-02-22 |archive-date=3 January 2016 |archive-url=https://web.archive.org/web/20160103184202/http://infra.seoul.go.kr/archives/1092 |url-status=dead }}
{{convert|40.4|km|abbr=on}} {{small|Korail}}{{cite web|url=http://info.korail.com/mbs/english/subview.jsp?id=english_050202000000|title=Metro Lines & Trains in Operation|publisher=Korail|access-date=2014-07-25}}

| tracklength_km =

| tracklength =

| tracks = 2

| gauge =

| load_gauge =

| minradius =

| routenumber =

| linenumber =

| electrification = 1,500 V DC (Jinjeop to Namtaeryeong)
25 kV AC at 60 Hz (Seonbawi to Oido)

| speed_km/h = 100

| speed =

| elevation_m =

| elevation =

| website =

| map =

| map_state = collapsed

}}

Seoul Subway Line 4 of the Seoul Metropolitan Subway is a long line crossing from the southwest to the northeast across the Seoul Metropolitan Area. The central section in Seoul City is operated by Seoul Metro with some trains offering through service to Korail's Ansan and Gwacheon Lines.{{Cite web|title=서울교통공사 블로그 : 네이버 블로그|url=https://blog.naver.com/seoulmetro01/120166938133|access-date=2021-05-31|website=blog.naver.com}} The southern terminus (Oido) is in Jeongwang 4-dong, Siheung City, and the northern terminus (Jinjeop) is in Jinjeop-eup, Namyangju-si, Gyeonggi-do; the newly built northern section (officially called the Jinjeop Line) is correspondingly owned by a company owned by Namyangju-si, with operations contracted to Seoul Metro. In 2022, the Seoul Metro operated section (excluding the Jinjeop Line) had an annual ridership of 219,587,000 or about 601,608 passengers per day.{{Cite web|title=서울시 지하철수송 통계|url=http://data.seoul.go.kr/dataList/273/S/2/datasetView.do#none|access-date=2022-07-19|website=data.seoul.go.kr|language=ko}}

Express train service stops at all stations between Danggogae and Sanbon, then at Sangnoksu, Jungang, Choji, Ansan, Jeongwang, and Oido. The express service only operates during rush hours on weekdays.

History

1985:

:20 April: Line 4 is officially opened from Sanggye to Sadang.{{Cite web |title=개요 및 연혁 |trans-title=Overview and History |url=http://www.seoulmetro.co.kr/kr/page.do?menuIdx=512 |url-status=live |archive-url=https://web.archive.org/web/20240205120552/http://www.seoulmetro.co.kr/kr/page.do?menuIdx=512 |archive-date=5 February 2024 |access-date=12 July 2024 |website=seoulmetro.co.kr |language=ko}}

1993:

:21 April: The line is extended northward from Sanggye to Danggogae, and southward from Sadang to Namtaeryeong.

1994:

:1 April: The line is extended southward from Sadang to Ansan when a section of the Gwacheon Line (from Seonbawi to Indeogwon) and Namtaeryeong station open.

2000:

:28 July: The line is extended westward from Ansan to Oido.

2003

:18 July: Surisan station opens as an in-fill station on the Ansan Line section.

2010

: Ansan Line AM express service is launched in the northbound direction only (starting from Ansan). Trains stopped at Jungang, Sangnoksu, and Sanbon, before continuing local up to Danggogae.

2014

: 1 September: Southbound PM express service is launched (terminating at Ansan). Trains make the same stops as their AM express service counterparts.

2017

: 7 July: Express service is extended to Oido. In addition to the stops they made before, trains make all stops between Ansan and Oido.

2020

: 12 September: Express service is modified, with trains now stopping at Choji but skipping Singiloncheon.

2022:

:19 March: The Jinjeop Line, a northward extension of Line 4, opens from Danggogae to Jinjeop.{{Cite web|url=https://gwanbo.go.kr/ezpdf/customLayout.jsp?contentId=I0000000000000001628061271815000&tocId=I0000000000000001627602304031000&isTocOrder=N&name=%25EA%25B5%25AD%25ED%2586%25A0%25EA%25B5%2590%25ED%2586%25B5%25EB%25B6%2580%25EA%25B3%25A0%25EC%258B%259C%25EC%25A0%259C2021-997%25ED%2598%25B8(%25EC%2582%25AC%25EC%2597%2585%25EC%259A%25A9%25EC%25B2%25A0%25EB%258F%2584%25EB%2585%25B8%25EC%2584%25A0%25EC%25A7%2580%25EC%25A0%2595%25EB%25B0%258F%25EC%25B2%25A0%25EB%258F%2584%25EA%25B1%25B0%25EB%25A6%25AC%25ED%2591%259C)|title = EzPDF WebViewer}}

= Future =

Express services are planned to start skipping various stations north of Sanbon station by 2023 to cut travel times.{{Cite web|url=http://www.joongboo.com/news/articleView.html?idxno=1178955|title=4호선 금정~사당 급행열차 추진된다|date=11 July 2017|website=중부일보 – 경기·인천의 든든한 친구}}

Stations

class="wikitable"

! Station
number

! width="210pt" | Station name
{{nobold|English}}

! width="130pt" | Station name
{{nobold|Hangul}}

! width="130pt" | Station name
{{nobold|Hanja}}

! width="35pt" | EX

! width="235pt" colspan="3"| Transfer

! Line name

! Distance
{{nobold|in km}}

! Total
distance

! colspan="2" | Location

style="background:#{{rcr|Seoul Metropolitan Subway|4}}; height: 2pt"

| colspan="13" |

| Jinjeop
(Kyungbok University)

| {{lang|ko|진접
(경복대)}}

! rowspan=4 |

| colspan="3"|

| rowspan="4" width="70pt" | {{center|Jinjeop Line}}

| {{center

--}}

| {{center|0.0}}

| rowspan="4" width="75pt" | {{center|Gyeonggi-do}}

| rowspan="4" width="100pt" | {{center|Namyangju-si}}

| Onam

| {{lang|ko|오남}}

| colspan="3"|

| {{center|2.1}}

bgcolor="lightgrey"

| {{center|407}}

| Pungyang (2026)

| 풍양

| colspan="3"|

| {{center|2.6}}

| {{center|4.7}}

| ByeollaeByeolgaram

| {{lang|ko|별내별가람}}

{{linktext|別|內}}별가람

| colspan="3"|

| {{center|5.2}}

| {{center|9.9}}

| Buramsan

| {{lang|ko|불암산}}

| rowspan=35 align=center | Makes all stops

| colspan="3"|

| rowspan="26" width="70pt" | {{center|Seoul Metro Line 4}}

| {{center|4.4}}

| {{center|14.3}}

| rowspan="26" width="75pt" | {{center|Seoul}}

| rowspan="3" width="100pt" | {{center|Nowon-gu}}

| Sanggye

| {{lang|ko|상계}}

| colspan="3"|

| {{center|1.2}}

| {{center|15.5}}

| Nowon

| {{lang|ko|노원}}

| colspan="3"| {{rint|seoul|7}}

| {{center|1.0}}

| {{center|16.5}}

| Chang-dong

| {{lang|ko|창동}}

| colspan="3"| {{rint|seoul|1}}

| {{center|1.4}}

| {{center|17.9}}

| rowspan="2" | {{center|Dobong-gu}}

| Ssangmun

| {{lang|ko|쌍문}}

| colspan="3"|

| {{center|1.3}}

| {{center|19.2}}

| Suyu
(Gangbuk-gu Office)

| {{lang|ko|수유
(강북구청)}}

| colspan="3"|

| {{center|1.5}}

| {{center|20.7}}

| rowspan="3" | {{center|Gangbuk-gu}}

| Mia
(Seoul Cyber Univ.)

| {{lang|ko|미아
(서울사이버대학)}}

| colspan="3"|

| {{center|1.4}}

| {{center|22.1}}

| Miasageori

| {{lang|ko|미아사거리}}

{{linktext|彌|阿}}사거리

| colspan="3"|

| {{center|1.5}}

| {{center|23.6}}

| Gireum

| {{lang|ko|길음}}

| colspan="3"|

| {{center|1.3}}

| {{center|24.9}}

| rowspan="3" | {{center|Seongbuk-gu}}

| Sungshin Women's Univ.
(Donam)

| {{lang|ko|성신여대입구
(돈암)}}

| colspan="3"| {{rint|seoul|ui}}

| {{center|1.4}}

| {{center|26.3}}

| Hansung Univ.
(Samseongyo)

| {{lang|ko|한성대입구
(삼선교)}}

| colspan="3"|

| {{center|1.0}}

| {{center|27.3}}

| Hyehwa
(Seoul Nat’l Univ. Hospital)

| {{lang|ko|혜화
(서울대학교병원)}}

| colspan="3"|

| {{center|0.9}}

| {{center|28.2}}

| rowspan="2" | {{center|Jongno-gu}}

| Dongdaemun

| {{lang|ko|동대문}}

| colspan="3"| {{rint|seoul|1}}

| {{center|1.5}}

| {{center|29.7}}

| Dongdaemun History & Culture Park
(DDP)

| {{lang|ko|동대문역사문화공원
(DDP)}}

| colspan="3"| {{rint|seoul|2}} {{rint|seoul|5}}

| {{center|0.7}}

| {{center|30.4}}

| rowspan="4" | {{center|Jung-gu}}

| Chungmuro

| {{lang|ko|충무로}}

| colspan="3"| {{rint|seoul|3}}

| {{center|1.3}}

| {{center|31.7}}

| Myeong-dong
(Woori Financial Town)

| {{lang|ko|명동
(우리금융타운)}}

| colspan="3"|

| {{center|0.7}}

| {{center|32.4}}

| Hoehyeon
(Namdaemun Market)

| {{lang|ko|회현
(남대문시장)}}

| colspan="3"|

| {{center|0.7}}

| {{center|33.1}}

| Seoul Station

| {{lang|ko|서울역}}

서울驛

| colspan="3"| {{rint|seoul|1}} {{rint|seoul|arx}}
{{rint|seoul|gyeongjung}} (Seoul Station branch)
{{nowrap|File:Korail logo.svg}} Mugunghwa-ho and ITX-Saemaeul services
File:KTX logo.svg

| {{center|0.9}}

| {{center|34.0}}

| rowspan="5" | {{center|Yongsan-gu}}

| Sookmyung Women's Univ.
(Garwol)

| {{lang|ko|숙대입구
(갈월)}}

| colspan="3"|

| {{center|1.0}}

| {{center|35.0}}

| Samgakji

| {{lang|ko|삼각지}}

| colspan="3"| {{rint|seoul|6}}

| {{center|1.2}}

| {{center|36.2}}

| Sinyongsan
(AMOREPACIFIC)

| {{lang|ko|신용산
(아모레퍼시픽)}}

| colspan="3"|

| {{center|0.7}}

| {{center|36.9}}

| Ichon
(National Museum of Korea)

| {{lang|ko|이촌
(국립중앙박물관)}}

| colspan="3"| {{rint|seoul|gyeongjung}}

| {{center|1.3}}

| {{center|38.2}}

| Dongjak
(Seoul National Cemetery)

| {{lang|ko|동작
(현충원)}}

| colspan="3"| {{rint|seoul|9}}

| {{center|2.7}}

| {{center|40.9}}

| rowspan="3" | {{center|Dongjak-gu}}

| Chongshin Univ.
(Isu)

| {{lang|ko|총신대입구
(이수)}}

| colspan="3"| {{rint|seoul|7}}

| {{center|1.8}}

| {{center|42.7}}

| Sadang

| {{lang|ko|사당}}

| colspan="3"| {{rint|seoul|2}}

| {{center|1.1}}

| {{center|43.8}}

| Namtaeryeong

| {{lang|ko|남태령}}

| colspan="3"|

| {{center|1.6}}

| {{center|45.4}}

| {{center|Seocho-gu}}

| Seonbawi

| {{lang|ko|선바위}}

선바위

| colspan="3"|

| rowspan="8" | {{center|Gwacheon Line}}

| {{center|2.0}}

| {{center|47.4}}

| rowspan="22" | {{center|Gyeonggi-do}}

| rowspan="5" | {{center|Gwacheon-si}}

| Seoul Racecourse Park

| {{lang|ko|경마공원}}

| colspan="3"|

| {{center|1.0}}

| {{center|48.4}}

| Seoul Grand Park
(Seoul Land)

| {{lang|ko|대공원
(서울랜드)}}

| colspan="3"|

| {{center|0.9}}

| {{center|49.3}}

| Gwacheon

| {{lang|ko|과천}}

| colspan="3"|

| {{center|1.0}}

| {{center|50.3}}

| Government Complex Gwacheon

| {{lang|ko|정부과천청사}}

| colspan="3"|

| {{center|1.0}}

| {{center|51.3}}

| Indeogwon

| {{lang|ko|인덕원}}

| colspan="3"|

| {{center|3.0}}

| {{center|54.3}}

| rowspan="3" | {{center|Anyang-si}}

| Pyeongchon
(Hallym Univ. Sacred Heart Hospital)

| {{lang|ko|평촌
(한림대성심병원)}}

| colspan="3"|

| {{center|1.6}}

| {{center|55.9}}

| Beomgye

| {{lang|ko|범계}}

범계

| colspan="3"|

| {{center|1.3}}

| {{center|57.2}}

| Geumjeong

| {{lang|ko|금정}}

| colspan="3"| {{rint|seoul|1}}

| rowspan="14" | {{center|Ansan Line}}

| {{center|2.6}}

| {{center|59.8}}

| rowspan="4" | {{center|Gunpo-si}}

| Sanbon
(Wonkwang Univ. Sanbon Hospital)

| {{lang|ko|산본
(원광대산본병원)}}

●

| colspan="3"|

| {{center|2.3}}

| {{center|62.1}}

| Surisan

| {{lang|ko|수리산}}

| colspan="3"|

| {{center|1.1}}

| {{center|63.2}}

| Daeyami

| {{lang|ko|대야미}}

| colspan="3"|

| {{center|2.6}}

| {{center|65.8}}

| Banwol

| {{lang|ko|반월}}

| colspan="3"|

| {{center|2.0}}

| {{center|67.8}}

| rowspan="8" | {{center|Ansan-si}}

| Sangnoksu
(Ansan Univ.)

| {{lang|ko|상록수
(안산대학교)}}

●

| colspan="3"|

| {{center|3.7}}

| {{center|71.5}}

| Hanyang Univ. at Ansan

| {{lang|ko|한대앞}}

{{linktext|漢|大}}앞

|style="color:white;background-color:#{{rcr|Seoul Metropolitan Subway|Suin–Bundang}}; width: 1pt" rowspan="8"|

|rowspan="8" style="width:60px;"|Suin–Bundang
{{small|(shared)}}

| {{rint|seoul|suin-bundang}}

| {{center|1.5}}

| {{center|73.0}}

| Jungang
(Seoul Institute of the Arts)

| {{lang|ko|중앙
(서울예술대)}}

●

| {{center|1.6}}

| {{center|74.6}}

| Gojan
(Korea Univ. Ansan Hospital)

| {{lang|ko|고잔
(고대안산병원)}}

| {{center|1.4}}

| {{center|76.0}}

| Choji
(Shin Ansan Univ.)

| {{lang|ko|초지
(신안산대)}}

●

| {{rint|seoul|seo}}

| {{center|1.5}}

| {{center|77.5}}

| Ansan

| {{lang|ko|안산}}

●

| {{center|1.8}}

| {{center|79.3}}

| Singiloncheon

| {{lang|ko|신길온천}}

| {{center|2.2}}

| {{center|81.5}}

| Jeongwang
(Tech Univ. of Korea)

| {{lang|ko|정왕
(한국공학대)}}

●

| {{center|2.9}}

| {{center|84.4}}

| rowspan="2" | {{center|Siheung-si}}

| Oido

| {{lang|ko|오이도}}

●

| {{rint|seoul|suin-bundang}}

| {{center|1.4}}

| {{center|85.8}}

style="background:#{{rcr|Seoul Metropolitan Subway|4}}; height: 2pt"

| colspan="13" |

{{Routemap

|title = Seoul Metropolitan Subway Line 4

|title-bg = #{{rcr|Seoul Metropolitan Subway|4}}

|map =

utKACCa~~{{small|405}} Jinjeop

\uetABZgl+l\uextKDSTCCeq~~ ~~ ~~{{BSsplit|Jinjeop Depot|(Transferred from Chang-dong Depot)}}

utHSTACC~~{{small|406}} Onam

uehtHSTACCe@g~~{{small|407}} Pungyang

WASSERq\WASSERq!~MSTR!~uhtSTRa@f\WASSERq~~ ~~ ~~Wangsukcheon Bridge

utHSTACC~~{{small|408}} ByeollaeByeolgaram

utPSLa~~ ~~ ~~{{BSsplit|Northbound turnback}}

uhtACCe@g~~{{small|409}} Danggogae ( {{BSsplit|{{small|↑ Jinjeop Line}}|{{small|↓ Seoul Subway Line 4}}}} )

uhHSTACC~~{{small|410}} Sanggye

uhINTACC~~{{small|411}} Nowon {{rint|seoul|7|size=15}}

uKDSTaq!~lhSTRa@fq\uhABZgr+r\~~ ~~ ~~Chang-dong Depot

uCONTg@Gq\uhTBHF!~lINTACC\uSTR+r~~{{small|412}} Chang-dong {{rint|seoul|1|size=15}}

\uhtSTRa@g!~lHSTACC\uSTR!~MFADEf~~{{small|413}} Ssangmun

utHSTACC~~{{small|414}} Suyu

utHSTACC~~{{small|415}} Mia

utHSTACC~~{{small|416}} Miasageori

utHSTACC~~{{small|417}} Gireum

utINTACC~~{{small|418}} Sungshin Women's Univ. {{rint|seoul|ui|size=15}}

utHSTACC~~{{small|419}} Hansung Univ.

\utSTRc2!~utHSTACC\utSTR3!~MFADEg~~{{small|420}} Hyehwa

utSTRc2\utSTR3+1!~utINTACC\utSTRc4~~{{small|421}} Dongdaemun {{rint|seoul|1|size=15}}

utSTR+1!~MFADEf\utSTRc4!~utINTACC\~~{{small|422}} Dongdaemun History & Culture Park {{rint|seoul|2|size=15}} {{rint|seoul|5|size=15}}

\utABZg+l\utSTR+r~~ ~~ ~~Link with Line 3

utSTRq!~ulCONTg@Gq\utTINTACCt\utABZqr!~ulCONTf@Fq~~{{small|423}} Chungmuro {{rint|seoul|3|size=15}}

utHSTACC~~{{small|424}} Myeong-dong

utSTR!~MFADEg\utHSTACC\~~{{small|425}} Hoehyeon

uextSTR2!~utINTACC!~HUBaq\uextSTRc3!~utINTACC!~HUBeq\~~{{small|426}} Seoul Station {{rint|seoul|1|size=15}} {{rint|seoul|arx|size=15}} {{rint|seoul|gyeongjung||size=15}}

uextSTRc1!~uCONTf!~PORTALg\uetABZg+4\~~ ~~ ~~Cancelled link with Line 1

utHSTACC~~{{small|427}} Sookmyung Women's Univ.

utINTACC~~{{small|428}} Samgakji {{rint|seoul|6|size=15}}

utHSTACC~~{{small|429}} Sinyongsan

utINTACC~~{{small|430}} Ichon {{rint|seoul|gyeongjung|size=15}}

WASSERq\WASSERq!~MSTR!~uhtSTRe@g\WASSERq~~ ~~ ~~Dongjak Bridge crossing Hangang river

uhtACCa@f!~lINTACC~~{{small|431}} Dongjak {{rint|seoul|9|size=15}}

utSTRea

utINTACC~~{{small|432}} Chongshin Univ. {{rint|seoul|7|size=15}}

utINTACC~~{{small|433}} Sadang {{rint|seoul|2|size=15}}

utPSLe~~ ~~ ~~{{BSsplit|Southbound turnback for DC only trains}}

GRZq!~utHSTACC~~{{small|434}} Namtaeryeong ( {{BSsplit|{{small|↑ Seoul Subway Line 4}}|{{small|↓ Gwacheon Line}}}} )

GRZq!~lELC\utÜWBl\GRZq!~lELC~~ ~~ ~~{{BSsplit|{{small|Right-hand running/1.5kV DC/Seoul Metro Section}}|{{small|Left-hand running/25kV AC/Korail Section}}|line=-}} {{small|changeover}}

utHSTACC~~{{small|435}} Seonbawi

utHSTACC~~{{small|436}} Seoul Racecourse Park

utHSTACC~~{{small|437}} Seoul Grand Park

utHSTACC~~{{small|438}} Gwacheon

utHSTACC~~{{small|439}} Government Complex Gwacheon

uetHSTACC~~ ~~ ~~{{small|2027}} Gwacheon Information Town

utHSTACC~~{{small|440}} Indeogwon

utHSTACC~~{{small|441}} Pyeongchon

utHSTACC~~{{small|442}} Beomgye

d\udCONTg\utdSTRe\~~ ~~ ~~{{BSsplit|Line 1 and Gyeongbu Line|to Kwangwoon Univ. and Seoul Station|it=all}}

uvINTACC\d~~{{small|443}} Geumjeong {{rint|seoul|1|size=15}} ( {{BSsplit|{{small|↑ Gwacheon Line}}|{{small|↓ Ansan Line}}}} )

uvÜST\d

d\udSTRl\udKRZo\uCONTfq~~ ~~ ~~{{BSsplit|Line 1 and Gyeongbu Line|to Seodongtan or Sinchang and Busan|it=all}}

uhACC~~{{small|444}} Sanbon

uHSTACC!~lhSTRe~~{{small|445}} Surisan

uTUNNEL1

RBe\uSKRZ-Bu\RBw~~ ~~ ~~Suwon-Munsan Expressway

uHSTACC~~{{small|446}} Daeyami

RBe\uSKRZ-Bu\RBw~~ ~~ ~~Yeongdong Expressway

uHSTACC~~{{small|447}} Banwol

RBe\uSKRZ-Bo\RBw~~ ~~ ~~Seohaean Expressway

hSTRq!~lCONTg@Gq\umKRZh\hSTRq!~lCONTf@Fq~~ ~~ ~~Gyeongbu HSR

uhACCa~~{{small|448}} Sangnoksu

\uhABZg+l!~LSTR+l_yellow\uhCONTfq!~CONTfq_yellow~~ ~~ ~~{{BSsplit|Suin Line (Suin-Bundang Line)|towards Wangsimni/Cheongnyangni via Suwon}}

uSTR!~LSTR_yellow!~lhBHF!~lINTACC~~{{small|449}} Hanyang Univ. at Ansan {{rint|seoul|bun|size=15}}

uSTR!~LSTR_yellow!~lhBHF!~lACC~~{{small|450}} Jungang

uSTR!~LSTR_yellow!~lhSTR!~lHSTACC~~{{small|451}} Gojan

utSTRq!~ulCONTg@Gq\utSTRc2!~utSTRq!~uSTR!~LSTR_yellow!~lINTACC!~lhBHFe\utABZq+3!~ulCONTf@Fq~~{{small|452}} Choji {{rint|seoul|seohae|size=15}}

\uSTR!~utSTR+1e@g!~LSTR_yellow\utSTRc4~~ ~~ ~~link with Seohae Line

uSTR!~LSTR_yellow!~lACC~~{{small|453}} Ansan

uSTR!~LSTR_yellow!~lHSTACC~~{{small|454}} Singiloncheon

RBe\lhSTRa@f!~uSKRZ-Bu\RBw~~ ~~ ~~Pyeongtaek-Siheung Expressway

uSTR!~LSTR_yellow!~lACC!~lhBHF~~{{small|455}} Jeongwang

uSTR!~LSTR_yellow!~lINTACC!~lhSTRe@g~~{{small|456}} Oido {{rint|seoul|bun|size=15}}

\STR_yellow!~uSTRl!~LSTR_yellow\uSTR+r

\STR_yellow\uDST~~ ~~ ~~Siheung Depot

\CONTf_yellow\uCONTf~~ ~~ ~~{{BSsplit|Suin Line (Suin-Bundang Line)|towards Incheon}}

leer

uSTR!~LSTR_yellow~~ ~~ ~~{{BSsplit|Shared with Suin-Bundang Line|between Hanyang Univ. at Ansan to Oido}}

|map2-title = Express services (Rush hours only)

|map2-collapsible = yes

|map2-collapse = yes

|map2 =

uCONTg~~ ~~ ~~All stations to Danggogae

uINTACC~~{{small|443}} Geumjeong {{rint|seoul|1|size=15}}

uACC~~{{small|444}} Sanbon

uLSTR~~ ~~ ~~{{small|Surisan, Daeyami, Banwol}}

uACC~~{{small|448}} Sangnoksu

uLSTR~~ ~~ ~~{{small|Hanyang Univ. at Ansan}}

uINTACC~~{{small|450}} Jungang {{rint|seoul|bun|size=15}}

uLSTR~~ ~~ ~~{{small|Gojan}}

uINTACC~~{{small|452}} Choji {{rint|seoul|seohae|size=15}}

uACC~~{{small|453}} Ansan

uLSTR~~{{small|Singiloncheon}}

uACC~~{{small|455}} Jeongwang

uKINTACCe~~{{small|456}} Oido {{rint|seoul|bun||size=15}}

}}

Depots, junctions, and points of interest

(from Jinjeop to Oido)

Jinjeop Depot (opening December 2024, will replace Changdong Depot for Seoul Metro-operated rolling stock)
Turnback siding (underground) after Danggogae station
Changdong Depot (used for Seoul Metro class 4000, with non-revenue connection to Line 1)
Non-revenue connecting track to Line 3 before Chungmuro station
Dongjak Bridge
Chongshin Univ. – Sadang scissors crossover
Hanyang University, ERICA Campus
Turnback siding (underground) after Sadang station
Namtaeryong–Seonbawi track crossing point (flying crossover, switch from right to left-hand traffic, or vice versa){{Ref label|notes1|a|}}
The voltage/current switches between DC 1,500 V ↔ AC 25,000 V
Non-revenue crossover to Line 1 after Geumjeong station
Non-revenue connecting track to Seohae Line before Choji station
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

Rolling stock

= Current =

== Seoul Metro ==

Seoul Metro 4000 series
1st generation, DC only: 4-01~4-26 (Restricted to Jinjeop-Sadang)(Retirement in Progress)
1st generation, DC & AC: 4-51~4-71 (Retirement in Progress)
2nd generation: 4-81~4-85
3rd generation: 4-50~4-70
4th generation: 4-01~4-26

== Korail ==

Korail Class 341000 (ex-Korail Class 2030)
3rd generation: 341-31~341-37
4th generation: 341-38~341-60
Trains 341-53~341-55 are temporary running on Line 1.

File:20230708 서울교통공사 4000호대 3차 483편성.jpg|Seoul Metro 4000 series EMU (2nd generation)

File:Korail Class 341000 (2nd generation).jpg|Korail Class 341000 (2nd generation)

File:Korail341936.jpg|Korail Class 341000 (3rd generation)

= Former =

== Seoul Metro ==

Seoul Metro 3000 series (former 4000 series)
Wide-width GEC Traction chopper resistor controlled electric car (1985–1993; transferred to Seoul Subway Line 3)

== Korail ==

Korail Class 1000 (Ansan Line only, transferred to Seoul Subway Line 1)
Korail Class 341000 1st generation: 341-01~341-25, (1993-2024)
Korail Class 341000 2nd generation: 341-26~341-30, (1999-2025)

File:서울교통공사 4000호대 초퍼제어 전동차.jpg|Seoul Metro (former) 4000 series GEC stabled at Changdong Depot

File:Seoul_Metro_Line_3_train_(GEC)_arriving_at_Oksu.jpg| Seoul Metro 3000 series GEC (Former 4000 series GEC), June 2013

File:Korail EMU series 1000(1).JPG|Korail Class 1000 (2nd batch)

File:Korail_Line_4_train_at_Geumjeong.JPG|Korail Class 341000 (1st generation)

Notes

a. One of only two subway directional crossovers in revenue service in the world, the other one located between Ho Man Tin station and To Kwa Wan station of the Tuen Ma line in Hong Kong.

References

External links

[https://www.korail.com Korail]{{in lang|ko}}

Category:Seoul Metropolitan Subway lines

Category:Railway lines opened in 1985

Seoul Subway Line 4

History

= Future =

Stations

Depots, junctions, and points of interest

Rolling stock

= Current =

== Seoul Metro ==

== Korail ==

= Former =

== Seoul Metro ==

== Korail ==

See also

Notes

References

External links