Expressways in South Korea

Expressways (Korean: 고속도로; Hanja: 高速道路; RR: Gosokdoro) in South Korea, officially known as National Expressways (Korean: 고속국도; Hanja: 高速國道; RR: Gosokgukdo), are controlled-access highways that form the highest level of the country's road network. Most sections are tolled and maintained by the Korea Expressway Corporation, though a few routes are built and managed by approved private companies.