noun
single-track operation
Railway term for operating trains on a single track, often with passing loops or token systems.
この路線は単線運転のため、列車の行き違いに時間がかかる。
Because this line uses single-track operation, it takes time for trains to pass each other.
Double-track operation, where trains can run simultaneously in both directions without waiting.
Compound of 単線 (single track) and 運転 (operation).