noun
national railway
Refers to a railway system owned and operated by the national government. In Japan, often associated with the former Japanese National Railways (JNR).
日本の国有鉄道は1987年に民営化された。
Japan's national railway was privatized in 1987.
Compound of 国有 (こくゆう, 'state-owned') and 鉄道 (てつどう, 'railway').