national course 28 is a country wide dual carriageway in South Korea connects Yeongju to Pohang. It established on 30 August 1971.
|Length:||225 km (140 mi)|
|South end:||Buyeo, Chungcheongnam-do|
|North end:||Uijeongbu, Gyeonggi-do
Korea National Route No.3.svg National Route 3
|Highway systems:||Highway systems of South Korea
Expressways National Local