The Suin–Bundang Line (; Suwon–Incheon–Bundang Line) is a commuter rail service of the Seoul Metropolitan Subway system, operating on trackage from the Suin Line (opened on June 30, 2012) and the Bundang Line (opened on September 1, 1994). Operation began on September 12, 2020.

Frequent service is provided between Wangsimni and Incheon by 6-car trains, with 9 trains on weekdays and 5 on weekends running one station north of Wangsimni to Cheongnyangni. However, many trains terminate at various locations on the line such as Jukjeon, Gosaek, and Oido.

Trains travel along the Suin (Incheon-Suwon), Bundang (Suwon-Wangsimni), and Gyeongwon (Wangsimni-Cheongnyangni) lines. It shares trackage with the Ansan Line of Seoul Subway Line 4 between Hanyang University at Ansan and Oido.

Like all other Korail-run Seoul Metropolitan Subway lines, trains on the line run on the left-hand side of the track.

The color shown on the map is yellow.

History 1994 September 1 The Bundang Line section is officially opened from Suseo to Ori as the Bundang Line. 2003 September 3 The Bundang Line section is extended northward from Suseo to Seolleung. 2004 January 16 Imae station opens as an in-fill station on the Bundang Line section. Guryong station opens as an in-fill station on the Bundang Line section. November 26 A temporary Bojeong station opens on the Bundang Line section. 2007 December 24 Jukjeon station opens as an in-fill station on the Bundang Line section. 2011 December 28 The Bundang Line section is extended southward from Jukjeon to Giheung. The temporary Bojeong station is replaced with a new underground station, also called Bojeong. 2012 June 30 The Suin Line section is officially opened from Oido to Songdo as the Suin Line. October 6 The Bundang Line section line is extended northward from Seolleung to Wangsimni. December 1 The Bundang Line section line is extended southward from Giheung to Mangpo. 2013 November 30 The Bundang Line section is extended westward from Mangpo to Suwon, allowing for connections to Line 1. Express service is launched on the Bundang Line section. 2014 December 27 Darwol station opens as an in-fill station on the Suin Line section. 2016 February 27 The Suin Line section is extended westward from Songdo to Incheon. 2017 July 10 Express service is launched on the Suin Line section. 2018 December 31 The Bundang Line section is extended northeastward to Cheongnyangni station, allowing for connections to the Gyeongchun Line, Line 1, and regional rail services. 2020 September 12 The Suin Line section is extended eastward from Oido to Suwon, and the present Suin-Bundang Line is formed when the Suin and Bundang lines are merged.

Future plans Hagik station is planned to open between Songdo and Inha University in 2026. In addition, a connection line is under consideration at Suwon that will allow KTX trains to run between the Gyeongbu high-speed railway and Incheon Station via the Suin Line by 2025.

Rapid (Express) trains Korail operates a variety of express "rapid" (급행) trains for regional services on the Suin-Bundang Line during rush hours. These services include: Bundang Line express services, operating express between Gosaek (where they originate or terminate) and Jukjeon and then continuing as local trains to Wangsimni or Cheongnyangni. Suin Line express services, operating express between Incheon and Oido (where they originate or terminate).

Stations Current Routes Wangsimni — Jukjeon/Gosaek/Incheon (most trains) Cheongnyangni — Jukjeon/Gosaek (selected trains) Oido — Incheon (S express) Wangsimni — Gosaek (B express, Wangsimni — Jukjeon all stops) Stations B: Bundang Express Line S: Suin Express Line

● stops at the station｜ does not stop at the station▲ limited service (only some trains stop)

StationNumber Station NameEnglish Station NameHangulSB TransferDistancein kmTotalDistance Location K209 Cheongnyangni No serviceNo service Mugunghwa-ho, ITX-Saemaeul and Nuriro services --- -2.4 Seoul Dongdaemun-guK210 Wangsimni Makes all stops 2.40.0 Seongdong-gu K211 Seoul-forest 2.22.2 K212 Apgujeongrodeo 1.94.1 Gangnam-gu K213 Gangnam-gu Office 1.25.3 K214 Seonjeongneung 0.7 6.0 K215 Seolleung 0.7 6.7 K216 Hanti 1.0 7.7 K217 Dogok 0.7 8.4 K218 Guryong 0.6 9.0 K219 Gaepo-dong 0.7 9.7 K220 Daemosan 0.6 10.3 K221 Suseo 3.0 13.3 K222 Bokjeong 3.2 16.5 Songpa-gu K223 Gachon University 2.4 18.9 Gyeonggi-do Seongnam-si Sujeong-gu K224 Taepyeong 1.0 19.9 K225 Moran 0.9 20.8 Jungwon-gu K226 Yatap 2.3 23.1 Bundang-gu K227 Imae 1.7 24.8 K228 Seohyeon 1.4 26.2 K229 Sunae 1.1 27.3 K230 Jeongja 1.6 28.9 K231 Migeum 1.8 30.7 K232 Ori 1.1 31.8 K233 Jukjeon ● 1.8 33.6 Yongin-si Suji-gu K234 Bojeong ｜ 1.3 34.9 Giheung-gu K235 Guseong ｜ 1.6 36.5 K236 Singal ｜ 1.6 38.1 K237 Giheung ● 1.4 39.5 K238 Sanggal ｜ 1.9 41.4 K239 Cheongmyeong ｜ 2.8 44.2 Suwon-si Yeongtong-gu K240 Yeongtong ｜ 1.1 45.3 K241 Mangpo ● 1.5 46.8 K242 MaetanGwonseon ｜ 1.8 48.6 K243 Suwon City Hall ● 1.4 50.0 Gwonseon-gu K244 Maegyo ｜ 1.4 51.4 Paldal-gu K245 Suwon ● Mugunghwa-ho, Saemaeul-ho, and ITX-Saemaeul services 1.5 52.9 K246 Gosaek ● 2.7 55.6 Gwonseon-gu K247OmokcheonNo service 1.6 57.2 K248Eocheon 5.1 62.3Hwaseong-si Hyohaeng-gu K249Yamok 2.6 64.9 K250Sari 4.9 69.6Ansan-siSangnok-gu K251Hanyang Univ. at AnsanLine 4 2.2 71.8 K252Jungang 1.6 73.4Danwon-gu K253Gojan 1.4 74.8 K254Choji 1.5 76.3 K255Ansan 1.8 78.1 K256Singiloncheon 2.2 80.3 K257Jeongwang 2.9 83.2Siheung-si K258Oido● 1.4 84.6 K259Darwol｜ 2.1 86.7 K260Wolgot｜ 1.5 88.2 K261Soraepogu● 1.3 89.5IncheonNamdong-gu K262Incheon Nonhyeon● 1.0 90.5 K263Hogupo｜ 1.3 91.8 K264Namdong Induspark｜ 1.3 93.1 K265Woninjae● 1.0 94.1Yeonsu-gu K266Yeonsu● 0.9 95.0 K267Songdo｜ 2.7 97.7 K268Hagik (2026)“25분 거리를 10분만에… 지역경제도 살아났으면”… 27일 완전 재개통 앞둔 수인선 시범 운행, 《국민일보》, 2016.02.24.학익｜ 1.3 99.0Michuhol-gu K269Inha University● 1.1 100.1 K270Sungui｜ 1.8 101.9 K271Sinpo｜ 1.5 103.4Jemulpo-gu K272Incheon●Wolmi Sea Train 1.1 104.5

Rolling Stock Korail Class 351000 6-car EMU 1st generation: 351-01~351-22 – 1993-2024 (Retired) 2nd generation: 351-23~351-28 – since 2003 3rd generation: 351-29~351-43, 351–61~351–78 – since 2011 4th generation: 351-44~351-59, 351-79 - since 2022

References

External links Korail