National Route 40 (South Korea)

National Route 40 is a national highway in South Korea connects Dangjin to Gongju. It established on 14 March 1981

Main stopovers
Dangjin- Yesan County- Hongseong County- Boryeong- Buyeo County- Gongju
 * South Chungcheong

Major intersections
IC: Interchange