単たん線せん運うん転てん

noun

single-track operation

Railway term for operating trains on a single track, often with passing loops or token systems.

• この路ろ線せんは単たん線せん運うん転てんのため、列れっ車しゃの行いき違ちがいに時じ間かんがかかる。

  Because this line uses single-track operation, it takes time for trains to pass each other.