Korail Logo
- System name: Seoul Metropolitan Subway
- Native name: 수도권 전철 or 首都圈電鐵
- Operational Lines: 18
- Lines Under Construction: 9
- Note: Excluding the Metro System: Seoul Subway and Incheon Subway
Operational Lines[]
| Color | Line | Terminals | Year Opened | Newest Extension | Length (km²) | Stations |
|---|---|---|---|---|---|---|
| Line 1 | Soyosan — Cheongnyangni, Seoul — Incheon/Sinchang | 1974 | 2006 | 190.6 | 89 | |
| Line 3 | Daehwa — Jichuk | 1996 | — | 19.2 | 10 | |
| Line 4 | Namtaeryeong — Oido | 2000 | — | 39.4 | 23 | |
| Bundang Line | Seolleung — Bojeong | 1994 | 2007 | 27.7 | 20 | |
| Jungang Line | Yongsan — Yongmun | 1939 | 2010 | 72.0 | 26 | |
| Gyeongui Line | Seoul Station — Munsan | 1905 | — | 46.3 | 20 | |
| Airport Express (A'REX) | Gimpo Airport — Incheon International Airport | 2007 | — | 37.6 | 6 |
Map[]
