The Dankuk Railroad Corporation (Kyo: 단국철도공사), promoted as Danrail (단레일), is the national railroad operator in Dankuk. The corporation operates with oversight from the Ministry of Infrastructure & Transport. Danrail operates urban metro systems, as well as passenger and freight trains throughout the nation. Its most renowned operations are the state of the art Seongtaek and Gongmangdo city metros, and the national high-speed rail line that connects all the major cities.