The Ch'ŏnsŏng T'an'gwang Line, or Ch'ŏnsŏng Colliery Line is an electrified standard-gauge freight-only secondary line of the Korean State Railway in South P'yŏngan Province, North Korea, running from Sinch'ang on the P'yŏngra Line to Ch'ŏnsŏng.^[1]

Quick Facts Ch'ŏnsŏng Colliery Line, Overview ...

Ch'ŏnsŏng Colliery Line
Overview
Native name	천성탄광선 (天聖炭鑛線)
Status	Operational
Owner	Chosen Government Railway (1936–1945) Korean State Railway (since 1936)
Locale	South P'yŏngan
Termini	Sinch'ang Ch'ŏnsŏng
Stations	3
Service
Type	Heavy rail, Freight rail
History
Opened	1936
Technical
Line length	9.2 km (5.7 mi)
Number of tracks	Single track
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Electrification	3000 V DC Catenary
Route map Legend P'yŏngra Line to P'yŏngyang Suyang (bridge appx 90 m (300 ft)) 7.5 Mangilli 9.2 Ch'ŏnsŏng 0.0 Sinch'ang P'yŏngra Line to Rajin

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The line was originally opened by the Chosen Government Railway in 1936. After the partition of Korea, it was located entirely within the north, and it was part of the first section of line electrified by the Korean State Railway in 1946, between Yangdŏk on the P'yŏngra Line to Ch'ŏnsŏng via Sinch'ang.^[2][3] This electrification was destroyed during the Korean War, but in 1958 the Ch'ŏnsŏng–Sinch'ang–Kowŏn section was re-electrified.

A yellow background in the "Distance" box indicates that section of the line is not electrified.