Railway lines in North Korea
North Korea has a railway system consisting of an extensive network of standard-gauge lines and a smaller network of narrow-gauge lines; the latter are to be found around the country, but the most important lines are in the northern part of the country. All railways in North Korea are operated by the state-owned Korean State Railway. Lines whose names are in "italics" are closed. Standard gauge. Trunk lines Secondary trunk lines Narrow-gauge lines. This is an exhaustive list of all known narrow-gauge lines ().