countrywide path 40 is a country wide toll road in South Korea connects Dangjin to Gongju. It hooked up on 13 March 1981.
|Length:||145 km (90 mi)|
|West end:||Dangjin, South Chungcheong Province|
|East end:||Gongju, South Chungcheong Province|
|Highway systems:||Highway systems of South Korea
Expressways National Local