noun
railroad track; rail line
Refers to the physical railway tracks or the rail line itself. Often used in technical or descriptive contexts.
鉄道線路の近くに住んでいるので、電車の音がよく聞こえる。
I live near the railroad tracks, so I often hear the sound of trains.
この鉄道線路は貨物列車専用です。
This rail line is exclusively for freight trains.
Compound of 鉄道 (railroad) and 線路 (track/line). The components are straightforward and the meaning is transparent.