Transportation Systems

Water Transportation
1,608km (most navigable only by small craft) as of 2010
Busan Port Authority
Mukho
Pusan Newport International Terminal
11 ports and harbors
Operates one of the largest merchant fleets serving China, Japan and the Middle East
Land Transportation
railways - 3,381km
              - KTX provides high speed service
              - Korail provides frequent train services to all major South Korean cities
              - subway system is the oldest system in the country  
roadways - 103,029km
                -  freeways and national roads
                - almost all freeways are toll highways and expressways are built

buses - "high speed" express bus or "suburban" intercity bus
Air Transportation 
116 airports as of 2010Incheon International Airport = largest airport
Gimpo Domestic Airport, Pohang Airport, Busan Airport, Ulsan Airport, Jeju Airport and Yeosu Airport