Choyang Tangwang Line
The Choyang T'an'gwang Line, or Choyang Colliery Line is an electrified railway line of the Korean State Railway in Kaech'ŏn city, South P'yŏngan Province, North Korea, running from Kaech'ŏn at the junction of the Kaech'ŏn and Manp'o Lines to Choyang Colliery.