In the 1980s there was a long-distance local train running between Sariwŏn Ch'ŏngnyŏn and Hamhŭng, which ran from Sariwŏn to P'yŏngsan via the P'yŏngbu Line, from P'yŏngsan to Sep'o Ch'ŏngnyŏn via the Ch'ŏngnyŏn Ichŏn Line, from Sep'o to Kowŏn via the Kangwŏn Line, and from Kowŏn to Hamhng via the P'yŏngra Line — a distance of 398 kilometers .