Kowŏn Colliery Line
Overview
Native name고원탄광선(高原炭鑛線)
StatusOperational
Stations4
Service
TypeHeavy rail, Freight rail Regional rail Operator(s)Korean State Railway
Technical
Line length17.6 km (10.9 mi)
Number of tracksSingle track Track gauge1,435 mm (4 ft 8+1⁄2 in) standard gauge Electrification3000 V DC Overhead line 
Route map
P'yŏngra Line to Rajin 0.0 Tunjŏn P'yŏngra Line to P'yŏngyang (tunnel appx 410 m (1,350 ft)) (tunnel appx 320 m (1,050 ft)) (tunnel appx 380 m (1,250 ft)) 7.8 Sudong (bridge appx 120 m (390 ft)) 11.7 Tŏksa (bridge appx 35 m (115 ft)) (bridge appx 25 m (82 ft)) (bridge appx 20 m (66 ft)) (bridge appx 30 m (98 ft)) (bridge appx 25 m (82 ft)) (bridge appx 25 m (82 ft)) (bridge appx 35 m (115 ft)) coal mine (bridge appx 30 m (98 ft)) (tunnel appx 100 m (330 ft)) (bridge appx 30 m (98 ft)) (tunnel appx 85 m (279 ft)) (bridge appx 30 m (98 ft)) (bridge appx 25 m (82 ft)) (bridge appx 30 m (98 ft)) (bridge appx 25 m (82 ft)) (bridge appx 25 m (82 ft)) (bridge appx 25 m (82 ft)) (bridge appx 30 m (98 ft)) (bridge appx 20 m (66 ft)) Kowŏn Colliery 17.6 Changdong mine railway
P'yŏngra Line to Rajin
0.0 · Tunjŏn
P'yŏngra Line to P'yŏngyang
(tunnel appx 410 m (1,350 ft))
(tunnel appx 320 m (1,050 ft))
(tunnel appx 380 m (1,250 ft))
7.8 · Sudong
(bridge appx 120 m (390 ft))
11.7 · Tŏksa
(bridge appx 35 m (115 ft))
(bridge appx 25 m (82 ft))
(bridge appx 20 m (66 ft))
(bridge appx 30 m (98 ft))
(bridge appx 25 m (82 ft))
(bridge appx 25 m (82 ft))
(bridge appx 35 m (115 ft))
coal mine
(bridge appx 30 m (98 ft))
(tunnel appx 100 m (330 ft))
(bridge appx 30 m (98 ft))
(tunnel appx 85 m (279 ft))
(bridge appx 30 m (98 ft))
(bridge appx 25 m (82 ft))
(bridge appx 30 m (98 ft))
(bridge appx 25 m (82 ft))
(bridge appx 25 m (82 ft))
(bridge appx 25 m (82 ft))
(bridge appx 30 m (98 ft))
(bridge appx 20 m (66 ft))
Kowŏn Colliery
17.6 · Changdong mine railway