Korea Subway Guide

First & last trains, timetables, exits and routes — all in one place

Seohae Line map

Seohae Line서해선

Seohae Line runs from Ilsan to Wonsi, with 21 stations in Gyeonggi-do and Seoul. It is operated by Seohae Railroad and Korail (Korea Railroad Corporation). You can transfer to Line 1, Line 3, Line 4, Line 5, Line 7 and Line 9 and more.

Last updated: · 한국어

Seohae Line map · all 21 stations

Stations in order from Ilsan to Wonsi. Colored badges show the lines you can transfer to; the number is the station number.

  1. S07Ilsan StationGyeongui-Jungang LineGyeonggi-do
  2. S08Pungsan StationGyeongui-Jungang LineGyeonggi-do
  3. S09Baengma StationGyeongui-Jungang LineGyeonggi-do
  4. S10Goksan StationGyeongui-Jungang LineGyeonggi-do
  5. S11Daegok StationLine 3Gyeongui-Jungang LineGTX-AGyeonggi-do
  6. S12Neunggok StationGyeongui-Jungang LineGyeonggi-do
  7. S13Gimpo Int'l Airport StationLine 5Line 9AREXGimpo GoldlineSeoul
  8. S14Wonjong StationGyeonggi-do
  9. S15Bucheon Stadium StationLine 7Gyeonggi-do
  10. S16Sosa StationLine 1Gyeonggi-do
  11. S17Sosaeul StationGyeonggi-do
  1. S18Siheung Daeya StationGyeonggi-do
  2. S19Sincheon StationGyeonggi-do
  3. S20Sinhyeon StationGyeonggi-do
  4. S22Siheung City Hall StationGyeonggi-do
  5. S23Siheung Neunggok StationGyeonggi-do
  6. S24Dalmi StationGyeonggi-do
  7. S25Seonbu StationGyeonggi-do
  8. S26Choji StationLine 4Suin-Bundang LineGyeonggi-do
  9. S27Siu StationGyeonggi-do
  10. S28Wonsi StationGyeonggi-do

Seohae Line first and last trains

The earliest first train and latest last train anywhere on the line (weekdays). Times differ by station — check the station-by-station table.

DirectionEarliest first trainLatest last train
To Daegok / Ilsan 05:05 from Wonsi Station 00:25 from Neunggok Station
To Wonsi 05:00 from Ilsan Station 00:12 from Siu Station
👉 Seohae Line first & last trains by station

Seohae Line transfer stations

StationTransfer to
Ilsan Station Gyeongui-Jungang Line
Pungsan Station Gyeongui-Jungang Line
Baengma Station Gyeongui-Jungang Line
Goksan Station Gyeongui-Jungang Line
Daegok Station Line 3Gyeongui-Jungang LineGTX-A
Neunggok Station Gyeongui-Jungang Line
Gimpo Int'l Airport Station Line 5Line 9AREXGimpo Goldline
Bucheon Stadium Station Line 7
Sosa Station Line 1
Choji Station Line 4Suin-Bundang Line

Seohae Line lost & found

Seohae RailroadSosa–Wonsi section

Choji Station Lost & Found CenterSosa–Wonsi section
📞 031-5183-2798

WhereChoji Station

Korail (Korea Railroad Corporation)Ilsan–Sosa section (Korail)

Korail customer center📞 1544-7788
Notes (1)
  • Items found on Korail-run lines are kept at the station where they were found for up to a week and then handed over to the police.
Official page (Korean) ↗
How to find lost items on Korean subways

Frequently asked questions

Where does Seohae Line run?

Seohae Line runs from Ilsan to Wonsi and has 21 stations in total.

What time do the first and last trains run on Seohae Line?

On weekdays the earliest first train is To Daegok / Ilsan 05:05 from Wonsi Station; To Wonsi 05:00 from Ilsan Station, and the latest last train is To Daegok / Ilsan 00:25 from Neunggok Station; To Wonsi 00:12 from Siu Station. Times differ by station — see the station-by-station table.

Which lines can I transfer to from Seohae Line?

Seohae Line connects with Line 1, Line 3, Line 4, Line 5, Line 7, Line 9, Gyeongui-Jungang Line, AREX (Airport Railroad), Suin-Bundang Line, Gimpo Goldline and GTX-A.

I lost something on Seohae Line. Who do I contact?

Sosa–Wonsi section: Seohae Railroad — Choji Station Lost & Found Center 031-5183-2798; Ilsan–Sosa section (Korail): Korail (Korea Railroad Corporation) — Korail customer center 1544-7788.