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| National Expressways 고속국도 / Gosokgukdo | |
|---|---|
 The sign of Gyeongbu Expressway | |
 A map of the South Korean National Expressway network | |
| System information | |
| Formed | 2 September 1967 (assigned) 21 December 1968 (opened) |
| Highway names | |
| Expressways: | XX고속도로 고속국도 n호선 XX선 Expressway n XX Expressway (Expwy) |
| System links | |
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.