National Route 3 (South Korea)

National Route 3 is a national highway in South Korea connects Namhae to Chosan. Due to the separation of Korean peninsula, it de facto ends in Cheorwon by now. It was established on 31 August 1971.

South Korea section
South Gyeongsang Province North Gyeongsang Province North Chungcheong Province Gyeonggi Province Seoul Gyeonggi Province Gangwon Province
 * Namhae County - Sacheon - Jinju - Sancheong County - Hamyang County - Geochang County
 * Gimcheon - Sangju - Mungyeong - Sangju - Mungyeong
 * Goesan County - Chungju - Eumseong County
 * Icheon - Yeoju - Icheon - Gwangju - Seongnam
 * Songpa District - Jamsil Bridge - Gwangjin District - Jungnang District - Nowon District - Dobong District
 * Uijeongbu - Yangju - Dongducheon - Yeoncheon County
 * Cheorwon County

North Korea section
Kangwon Province Hwanghae Province South Pyongan Province North Pyongan Province
 * Pyonggang County - Ichon County
 * Singye County - Koksan County
 * Yangdok County - Maengsan County - Nyongwon County
 * Huichon - Chosan County

Major intersections
IS: Intersection, IC: Interchange
 * ( ■ ): Motorway