thumb|200px|South Korean rapid transit logo
Rapid transit systems operate in six major South Korean cities, except for Sejong.
Currently operational
{| class="wikitable sortable collapsible" style="width:75%"
! colspan="8" | Rapid transit systems
|-
! style="text-align:left;width:225px" scope="col" | System
! style="text-align:left;width:225px" scope="col" | Locale
! style="text-align:left;width:43px" data-sort-type="number" scope="col" | Lines
! style="width:60px" scope="col" data-sort-type="number" | Stations
! style="width:80px" scope="col" data-sort-type="number" | Length (km)
! style="width:150px" scope="col" | Commencement
|-
| Seoul Subway (inc. Incheon Subway)
| Seoul Capital Area
| 24
| 777
| 1,386.4
| <span style="display:none">1974</span>15 August 1974
|-
| Busan Metro
| Busan–Gyeongnam Area
| <span style="display:none">0</span>6
| 158
| <span style="display:none">0</span>205.6
| <span style="display:none">1985</span>19 July 1985
|-
| Daegu Metro
| Daegu–Gyeongbuk Area
| <span style="display:none">0</span>4
| <span style="display:none">0</span>101
| <span style="display:none">00</span>153.7
| <span style="display:none">1997</span>26 November 1997
|-
| Gwangju Metro
| Gwangju
| <span style="display:none">0</span>1
| <span style="display:none">0</span>20
| <span style="display:none">00</span>20.6
| <span style="display:none">2004</span>28 April 2004
|-
| Daejeon Metro
| Daejeon
| <span style="display:none">0</span>1
| <span style="display:none">0</span>22
| <span style="display:none">00</span>22.7
| <span style="display:none">2006</span>16 March 2006
|}
Seoul capital area
- Metropolitan Rail
- Korail operates the following commuter lines: Bundang Line, Gyeongchun Line, Gyeongui–Jungang Line, Suin Line, Gyeonggang Line, and parts of metro lines Line 1, Line 3, Line 4.
- Korail Airport Railroad operates AREX
- NeoTrans operates Shinbundang Line
- E-Rail operates Seohae Line
- Urban Rail
- Seoul Metro operates Line 2, Line 5, Line 6, Line 7, Line 8, and parts of lines Line 1, Line 3, Line 4, and Line 9 Second Extension.
- Seoul Metro Line9 (a joint venture between Veolia Transport and Hyundai Rotem) operates Line 9 First Extension
- Incheon Transit operates the whole Incheon subway system (I1 & I2), as well as sections of Seoul Subway Line 7.
- Light Metro Rail
- Uijeongbu Light Rail operates U Line
- Yongin Rapid Transit operates EverLine
- UI trans operates Ui LRT
{| class="wikitable sortable collapsible" style="width:100%"
! colspan=7 | Rapid transit lines in Seoul National Capital Area
|-
! style="text-align:left" scope="col" width="225" | Operator
! style="text-align:left" scope="col" width="43" | Livery
! style="text-align:left" scope="col" width="225" | Line
! scope="col" width="60" | Stations
! scope="col" width="80" | Length (km)
! scope="col" width="350" | Terminuses
! scope="col" width="150" | Commencement
|-
| rowspan=6 style="text-align:left" | Seoul Metro
|
| Seoul Subway Line 1
| style="text-align:right" | 10
| style="text-align:right" | 7.8
| style="text-align:left" |
| style="text-align:left" | 15 August 1974
|-
|
| Seoul Subway Line 2
| style="text-align:right" | 51
| style="text-align:right" | 60.2
| style="text-align:left" |
| style="text-align:left" | 31 October 1980
|-
|
| Seoul Subway Line 3
| style="text-align:right" | 34
| style="text-align:right" | 38.2
| style="text-align:left" |
| style="text-align:left" | 12 July 1985
|-
|
| Seoul Subway Line 4
| style="text-align:right" | 26
| style="text-align:right" | 31.1
| style="text-align:left" |
| style="text-align:left" | 20 April 1985
|-
|
| Seoul Subway Line 5
| style="text-align:right" | 51
| style="text-align:right" | 52.3
| style="text-align:left" |
| style="text-align:left" | 15 November 1995
|-
|
| Seoul Subway Line 6
| style="text-align:right" | 38
| style="text-align:right" | 35.1
| style="text-align:left" |
| style="text-align:left" | 7 August 2000
|-
| style="text-align:left" | Seoul Metro and<br>Incheon Transit Corporation
|
| Seoul Subway Line 7
| style="text-align:right" | 51
| style="text-align:right" | 57.1
| style="text-align:left" |
| style="text-align:left" | 11 October 1996
|-
| style="text-align:left" | Seoul Metro
|
| Seoul Subway Line 8
| style="text-align:right" | 17
| style="text-align:right" | 17.7
| style="text-align:left" |
| style="text-align:left" | 23 November 1996
|-
| style="text-align:left" | Seoul Metro Line9 & Seoul Metro
|
| Seoul Subway Line 9
| style="text-align:right" | 38
| style="text-align:right" | 40.6
| style="text-align:left" |
| style="text-align:left" | 24 July 2009
|-
| style="text-align:left" | Ui-Sinseol Trans
| x16px|link=Ui LRT
| Ui LRT
| style="text-align:right" | 15
| style="text-align:right" | 11.1
| style="text-align:left" |
| style="text-align:left" | 1 July 2012
|-
| style="text-align:left" | South-Seoul LRT
| x16px|link=Sillim Line
| Sillim Line
| style="text-align:right" | 11
| style="text-align:right" | 7.8
| style="text-align:left" |
| style="text-align:left" | 28 May 2022
|-
| style="text-align:left" | NeoTrans Co. Ltd.
| x16px|link=Shinbundang Line
| Shinbundang Line
| style="text-align:right" | 16
| style="text-align:right" | 33.4
| style="text-align:left" |
| style="text-align:left" | 28 October 2011
|-
| style="text-align:left" | Yongin Rapid Transit
| x16px|link=Everline
| Everline
| style="text-align:right" | 15
| style="text-align:right" | 18.1
| style="text-align:left" |
| style="text-align:left" | 26 April 2013
|-
| style="text-align:left" | Uijeongbu Light Rail Transit
| x16px|link=U Line
| U Line
| style="text-align:right" | 15
| style="text-align:right" | 11.1
| style="text-align:left" |
| style="text-align:left" | 1 July 2012
|-
| style="text-align:left" | Airport Railroad
|
| AREX
| style="text-align:right" | 13
| style="text-align:right" | 63.8
| style="text-align:left" |
| style="text-align:left" | 23 March 2007
|-
| rowspan=7 style="text-align:left" | Korail
|
| Seoul Subway Line 1<br>
| style="text-align:right" | 93
| style="text-align:right" | 211.1
| style="text-align:left" |
| style="text-align:left" | 15 August 1974
|-
|
| Seoul Subway Line 3<br>
| style="text-align:right" | 10
| style="text-align:right" | 19.2
| style="text-align:left" |
| style="text-align:left" | 30 January 1996
|-
|
| Seoul Subway Line 4<br>
| style="text-align:right" | 23
| style="text-align:right" | 39.4
| style="text-align:left" |
| style="text-align:left" | 15 January 1993
|-
| x16px|link=Gyeongui–Jungang Line
| Gyeongui–Jungang Line<br><br>
| style="text-align:right" | 55
| style="text-align:right" | 121.7
| style="text-align:left" |
| style="text-align:left", data-sort-value="16 December 2005" |16 December 2005 <br>1 July 2009
|-
| x16px|link=Gyeongchun Line
| Gyeongchun Line<br>
| style="text-align:right" | 24
| style="text-align:right" | 81.3
| style="text-align:left" |
| style="text-align:left" | 21 December 2010
|-
| x16px|link=Suin-Bundang Line
| Suin-Bundang Line
| style="text-align:right" | 63
| style="text-align:right" | 104.5
| style="text-align:left" |
| style="text-align:left" | 12 September 2020
|-
| x16px|link=Gyeonggang Line
| Gyeonggang Line
| style="text-align:right" | 11
| style="text-align:right" | 54.8
| style="text-align:left" |
| style="text-align:left" | 24 September 2016
|-
| rowspan="1" style="text-align:left" | E-Rail
| x16px|link=Seohae Line
| Seohae Line
| style="text-align:right" | 21
| style="text-align:right" | 47
| style="text-align:left" |
| style="text-align:left" | 16 June 2018
|-
| rowspan="2" style="text-align:left" | Incheon Subway
|
| Incheon Subway Line 1
| style="text-align:right" | 29
| style="text-align:right" | 29.4
| style="text-align:left" |
| style="text-align:left" | 6 October 1999
|-
|
| Incheon Subway Line 2
| style="text-align:right" | 27
| style="text-align:right" | 29.1
| style="text-align:left" |
| style="text-align:left" | 30 July 2016
|}
Busan–Ulsan–Gyeongnam area
- Metropolitan Rail
- Korail operates the following commuter line: Donghae
- Urban Rail
- Busan Transportation operates lines 1, 2, 3, and 4
- Light Metro Rail
- B&G Metro operates the Busan–Gimhae light rail
{| class="wikitable sortable collapsible" style="width:100%"
! colspan=7 | Rapid transit lines in Busan
|-
! style="text-align:left" scope="col" width="225" | Operator
! style="text-align:left" scope="col" width="43" | Livery
! style="text-align:left" scope="col" width="225" | Line
! scope="col" width="60" | Stations
! scope="col" width="80" | Length (km)
! scope="col" width="350" | Terminuses
! scope="col" width="150" | Commencement
|-
| rowspan=4 style="text-align:left" | Busan Transportation Corp.
|
| Busan Metro Line 1
| style="text-align:right" | 40
| style="text-align:right" | 40.5
| style="text-align:left" |
| style="text-align:left" | 19 July 1985
|-
|
| Busan Metro Line 2
| style="text-align:right" | 42
| style="text-align:right" | 45.2
| style="text-align:left" |
| style="text-align:left" | 30 June 1999
|-
|
| Busan Metro Line 3
| style="text-align:right" | 17
| style="text-align:right" | 18.3
| style="text-align:left" |
| style="text-align:left" | 28 November 2005
|-
|
| Busan Metro Line 4
| style="text-align:right" | 14
| style="text-align:right" | 12.7
| style="text-align:left" |
| style="text-align:left" | 30 March 2011
|-
| style="text-align:left" | B&G Metro
| 16px
| Busan–Gimhae Light Rail Transit
| style="text-align:right" | 21
| style="text-align:right" | 23.4
| style="text-align:left" |
| style="text-align:left" | 9 September 2011
|-
| style="text-align:left" | Korail
| 16px
| Donghae Line
| style="text-align:right" | 23
| style="text-align:right" | 65.7
| style="text-align:left" |
| style="text-align:left" | 30 December 2016
|}
Daegu–Gyeongbuk area
- Daegu Metropolitan Transit operates the whole subway system.
{| class="wikitable sortable collapsible" style="width:100%"
! colspan=7 | Rapid transit lines in Daegu
|-
! style="text-align:left" scope="col" width="225" | Operator
! style="text-align:left" scope="col" width="43" | Livery
! style="text-align:left" scope="col" width="225" | Line
! scope="col" width="60" | Stations
! scope="col" width="80" | Length (km)
! scope="col" width="350" | Terminuses
! scope="col" width="150" | Commencement
|-
| rowspan=3 style="text-align:left" | Daegu Metropolitan Transit
|
| Daegu Metro Line 1
| style="text-align:right" | 35
| style="text-align:right" | 37.3
| style="text-align:left" |
| style="text-align:left" | 26 November 1997
|-
|
| Daegu Metro Line 2
| style="text-align:right" | 29
| style="text-align:right" | 31.4
| style="text-align:left" |
| style="text-align:left" | 18 October 2005
|-
|
| Daegu Metro Line 3
| style="text-align:right" | 30
| style="text-align:right" | 23.9
| style="text-align:left" |
| style="text-align:left" | 23 April 2015
|-
| style="text-align:left" | Korail
| 16px
| Daegyeong Line
| style="text-align:right" | 7
| style="text-align:right" | 61.9
| style="text-align:left" |
| style="text-align:left" | 14 December 2024
|}
Daejeon
- Daejeon Metropolitan Express Transit operates the whole subway system.
{| class="wikitable sortable collapsible" style="width:100%"
! colspan=7 | Rapid transit lines in Daejeon
|-
! style="text-align:left" scope="col" width="225" | Operator
! style="text-align:left" scope="col" width="43" | Livery
! style="text-align:left" scope="col" width="225" | Line
! scope="col" width="60" | Stations
! scope="col" width="80" | Length (km)
! scope="col" width="350" | Terminuses
! scope="col" width="150" | Commencement
|-
| style="text-align:left" | Daejeon Metropolitan Express Transit
| 16px
| Daejeon Metro Line 1
| style="text-align:right" | 22
| style="text-align:right" | 22.7
| style="text-align:left" |
| style="text-align:left" | 16 March 2006
|}
Gwangju
- Gwangju Metropolitan Rapid Transit operates the whole subway system.
{| class="wikitable sortable collapsible" style="width:100%"
! colspan=7 | Rapid transit lines in Gwangju
|-
! style="text-align:left" scope="col" width="225" | Operator
! style="text-align:left" scope="col" width="43" | Livery
! style="text-align:left" scope="col" width="225" | Line
! scope="col" width="60" | Stations
! scope="col" width="80" | Length (km)
! scope="col" width="350" | Terminuses
! scope="col" width="150" | Commencement
|-
| style="text-align:left" | Gwangju Metropolitan Rapid Transit
|
| Gwangju Metro Line 1
| style="text-align:right" | 20
| style="text-align:right" | 20.6
| style="text-align:left" |
| style="text-align:left" | 28 April 2004
|}
<!--removed the proposed section altogether. This article doesn't get edited frequently enough for this to be able to stay up-to-date, and there are a lot of under-construction, approved, and waiting-for-approval projects that were left out-->
See also
- Transportation in South Korea
External links
- Subway transferring information for South Korea (in Japanese)