• Seoul
  Seoul
  Seoul , officially the Seoul Special City, is the capital and largest metropolis of South Korea. A megacity with a population of over 10 million, it is the largest city proper in the OECD developed world...
  
   - Seoul Metropolitan Subway
  Seoul Metropolitan Subway
  The Seoul Metropolitan Subway or Metropolitan Subway in Seoul, in Seoul, South Korea, is one of the most heavily used rapid transit systems in the world, with well over 8 million trips daily on the system's thirteen lines...
  
   (22 lines; includes both Urban Transit system and Wide-area Transit system)
• Busan
  Busan
  Busan , formerly spelled Pusan is South Korea's second largest metropolis after Seoul, with a population of around 3.6 million. The Metropolitan area population is 4,399,515 as of 2010. It is the largest port city in South Korea and the fifth largest port in the world...
  
   - Busan Metro
  Busan Subway
  The Busan Subway , operated by the Busan Transportation Corporation is the subway system of Busan, South Korea. The subway network first opened in 1985 with seventeen stations...
  
   (5 lines)
• Daegu
  Daegu
  Daegu , also known as Taegu, and officially the Daegu Metropolitan City, is a city in South Korea, the fourth largest after Seoul, Busan, and Incheon, and the third largest metropolitan area in the country with over 2.5 million residents. The city is the capital and principal city of the...
  
   - Daegu Metropolitan Transit
  Daegu Metropolitan Subway
  -Lines:-Line 1:Line 1 was the site of the Daegu subway fire of 2003, when an arsonist set fire to a train in rush hour and killed nearly 200 people.-AGT Line:The transport department has approved plans to build an Automated Guideway Transit line.-Fare:...
  
   (2 lines)
• Incheon
  Incheon
  The Incheon Metropolitan City is located in northwestern South Korea. The city was home to just 4,700 people when Jemulpo port was built in 1883. Today 2.76 million people live in the city, making it Korea’s third most populous city after Seoul and Busan Metropolitan City...
  
   - Incheon Metro
  Incheon Subway
  The Incheon Subway is a single subway line serving the South Korean city of Incheon. It connects to the Seoul Metropolitan Subway system at Bupyeong station....
  
   (1 line integrated with the Seoul
  Seoul
  Seoul , officially the Seoul Special City, is the capital and largest metropolis of South Korea. A megacity with a population of over 10 million, it is the largest city proper in the OECD developed world...
  
   subway system)
• Gwangju
  Gwangju
  Gwangju is the sixth largest city in South Korea. It is a designated metropolitan city under the direct control of the central government's Home Minister...
  
   - Gwangju Metro (1 line)
• Daejeon
  Daejeon
  Daejeon is South Korea's fifth largest metropolis and the provincial capital of Chungnam. Located in the center of the country, Daejeon had a population of over 1.5 million in 2010. It is at the crossroads of Gyeongbu railway, Honam railway, Gyeongbu Expressway, and Honam Expressway. Within the...
  
   - Daejeon Express Transit
  Daejeon Subway Line 1
  Daejeon Subway Line 1 is a subway line in Daejeon, South Korea.Line color is ●green. It is long with 22 stations. It is the first of five planned lines for the Daejeon Metropolitan Subway.First section was opened on March 16, 2006, second on April 17, 2007...
  
   (1 line)

Operators

• Seoul
  • Wide-area Transit
    • Korail
      Korail
      Korea Railroad Corporation , promoted as Korail , is the national railroad operator in South Korea.Korail operates passenger and freight trains throughout South Korea...
      
      operates the following commuter lines: AREX, Bundang, Gyeongchun, Gyeongui, Jungang, and parts of metro lines 1, 3, 4.
  • Urban Transit
    • Seoul Metro
      Seoul Metro
      Seoul Metro is a public corporation which runs the Seoul Subway Lines 1 to 4.From 1970 to 2006, it was called Seoul Metropolitan Subway Corporation.-Lines:- See also :* Korail* Seoul Metropolitan Rapid Transit Corporation...
      
      operates Line 2, and parts of lines 1, 3, 4
    • Seoul Metropolitan Rapid Transit Corporation
      Seoul Metropolitan Rapid Transit Corporation
      Seoul Metropolitan Rapid Transit Corporation was established in 1994 to operate the Seoul Subway lines 5, 6, 7, 8 in Seoul, South Korea.The corporation operates a total of 201 subway trains at 148 stations on lines 5-8. The operation intervals are from 2.5–6 minutes during rush hours and 5–10...
      
      operates Line 5, 6, 7, and 8
    • Seoul Metro Line 9 Corporation (a joint venture between Veolia Transport
      Veolia Transport
      Veolia Transport is the international transport services division of the French-based multinational company Veolia Environnement...
      
       and Hyundai Rotem) operates Line 9
• Busan
  • Busan Transportation Corporation
    Busan Transportation Corporation
    The Busan Transportation Corporation was established January 1, 2006, following the abolition of the Busan Urban Transit Authority , founded November 1987. It currently operates the Busan Subway in Busan, South Korea.-External links:...
    
    operates the whole subway system.
• Daegu
  • Daegu Metropolitan Subway Corporation operates the whole subway system.
• Incheon
  • Incheon Metro operates the whole subway system.
• Gwangju
  • Gwangju Metropolitan Rapid Transit Corporation operates the whole subway system.
• Daejeon
  • Daejeon Express Transit Corporation operates the whole subway system.

External links

• Subway transferring information for South Korea (in Japanese)