ocr: South Korea has a highly integrated transportation policy. Massive investments have been made in all aspects of communications. In 1968,a1 nationwide expressway network was inaugurated. Mainly toll-based, it: nowj joins most major urban centers. Air travel, - an easy way to get around the mountainous interior, has expanded rapidly. Competition for Korean Air (RAL) has come with the licensing of a second airline, Asiana. The increase in air traffic has brought torward plans to replace Kimpo International with a new airport. South Korea has perhaps the world's - best public transportation system ...