Supung stationSup'ung station is a railway station of the Korean State Railway in Sup'ung Workers' District, Sakchu County, North P'yŏngan Province, North Korea; it is the terminus of the Sup'ung Line of the Korean State Railway.HistorySup'ung station, along with the rest of the Sup'ung Line, was opened by the P'yŏngbuk Railway on 27 September 1939.ServicesSup'ung station is served by six pairs of commuter trains that run along the Ch'ongsu–Sup'ung–P'ungnyŏn route.