[2] The Tasado Line was opened by the Tasado Railway on 31 October 1939, as a 39.5 km (24.5 mi) line from Sinŭiju to Tasado Port via Yangsi,[3] to provide the Oji Paper Company's plant in Sinŭiju (today the Sinŭiju Chemical Fibre Complex a means of shipping its products out via the port at Tasado, as the Yalu River freezes in winter.

The line suffered considerable damage during the Korean War, including the destruction of the bridge west of Pukchung; this was rebuilt in September 1971, restoring service on the entirety of the line.

[2] At Pukchung the line serves the Pukchung Machine Complex factory, while beyond the station at the town of Tasado, it continues on to serve the Korean People's Navy base at Tasado Port.

[1] Coal, metal and metal products, fertilisers, agricultural products and materials required at the navy base are the major commodities shipped on the line.

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