Husan Line
The Husan Line is a non-electrified standard-gauge freight-only secondary line of the Korean State Railway located entirely within Namp'o Special City, South P'yŏngan Province, North Korea, running from Husan on the Ryonggang Line to Yangmak.
The Husan Line runs along the west side of the Ryongho Reservoir to serve a number of industries around Yangmak. The industrial trackage continues for a ways beyond Yangmak to the Yangmak granite quarry.