The Tonggeun is a class of short-run commuter trains operated by 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...

, the national railroad of South Korea. On timetables, the name is always translated as "Commuter." They typically operate once or twice daily in each direction, along a few tens of kilometers of track. They thus provide an important function for many smaller rural communities (and also some New Towns around Seoul), which often lack good public transit connections.

Trains

• Original Tongil-ho Passenger Car (not on service)
• Tang eng Tongil-ho Passenger Car (not on service)
• Electric Excellent Car (Korail 9900 series, not on service)
• Commuter Diesel Car

Current service

• Gyeongwon Line
  Gyeongwon Line
  The Gyeongwon Line is a railway line serving northeastern Gyeonggi Province in South Korea. The line is operated by Korail. The name of the line came from Gyeongseong and Wonsan, the original terminus of the line in what is now North Korea.-History:The Gyeongwon line was opened along its full...
  
   : Dongducheon-Sintan-ri
• Gyeongui Line
  Gyeongui Line
  The Gyeongui Line is one of the oldest railway lines in Korea. When opened in 1906 it linked Seoul in what is now South Korea to P'yŏngyang and Sinŭiju in what is now North Korea...
  
   : Munsan-Dorasan

Ceased Operation

• Gyeongui Line
  Gyeongui Line
  The Gyeongui Line is one of the oldest railway lines in Korea. When opened in 1906 it linked Seoul in what is now South Korea to P'yŏngyang and Sinŭiju in what is now North Korea...
  
   : Seoul-Dorasan, ceased on July 1, 2009.
• Daegu
  Daegu Line
  The Daegu Line is a railway line in South Korea. The line connects Dongdaegu Station on the Gyeongbu Line in Daegu to Yeongcheon on the Jungang Line...
  
  /Donghae Nambu
  Donghae Nambu Line
  The Donghae Nambu Line is a railway line connecting Busan to Pohang in South Korea.The line runs along South Korea's east coast.-History:...
  
   : Daegu-Yeongcheon-Pohang, ceased on Dec 31, 2007.
• Jeongseon Line : Jeungsan-Auraji, ceased on Dec 31, 2007.
• Gunsan
  Gunsan Line
  The Gunsan Hwamul Line is a cargo railway line serving North Jeolla Province in South Korea. Before January 1, 2008, this line was called Gunsan Line which connected the major railway junction of Iksan to the city of Gunsan. As of January 2008, new connecting line between Janghang and Daeya...
  
  /Jeolla Line
  Jeolla Line
  The Jeolla Line is a railway line in North and South Jeolla Provinces in South Korea. The line is served by frequent passenger trains from Seoul to Yeosu...
  
   : Jeonju-Gunsan, ceased on Dec 31, 2007.
• Jinhae : Changwon-Jinhae, ceased on Oct 30, 2006.