Mandok LineThe Mandŏk Line is an electrified standard-gauge secondary line of the Korean State Railway in Hŏch'ŏn County, South Hamgyŏng Province, North Korea running from Hŏch'ŏn on the Hŏch'ŏn Line to Mandŏk.HistoryThis line was opened by the privately owned Tanp'ung Railway as a branch of its Tanchon−Honggun mainline opened on 26 August 1939.ServicesA pair of local passenger trains 931/932 are known to operate on this line between Hŏch'ŏn and Mandŏk.RouteA yellow background in the "Distance" box indicates that section of the line is not electrified.