GIS, Map and Statistics: Korea

Ministry of Land, Infrastructure and Transport  (국토교통부)

• Korean official website 
• English official website 

 Korail (Korea Railroad Corporation, 코레일)

• Railroad Transportation Data
• Railroad Transportation Yearbook

Korean Expressway Corporation (한국 도로공사) 

• Korea Expressway Corporation (English version)
• Korean Expressway Corporation: Database of Highway Transportation  (Korean version)

Data related to highways are available from the Korean version's official website. 

• Seoul Metro (서울교통공사)
• Incheon Transit Corporation ( 인천교통공사)
• Gwangju Metropolitan Rapid Transit Corporation (광주광역시 도시철도공사 )
•  Daegu Metropolitan Transit Corporation (대구교통공사)
• Daejeon MetropolitanTransit Corporation (대전교툥공사 )