Ryongsong Line
The Ryongsŏng Line is an electrified standard-gauge secondary line of the Korean State Railway in P'yŏngyang, North Korea, running from Sŏp'o on the P'yŏngŭi Line to Tongbungri on the P'yŏngra Line. From Ryongsŏng, this line also has a line connecting to the private railway station attached to Residence No. 55, the primary residence of Kim Jong-un. The maintenance facilities for the North [Korean leaders' trains] are also located at Ryongsŏng Station.