noun
bus (on a regular route); transit bus; fixed-route bus
Historical term for a bus that operates on a fixed route, picking up passengers along the way. Now largely replaced by 路線バス (rosen basu) in modern usage.
See also: 路線バス
戦前は乗合自動車が市民の足だった。
Before the war, fixed-route buses were the citizens' means of transportation.
この資料館には大正時代の乗合自動車の写真が展示されている。
Photographs of Taisho-era transit buses are displayed in this museum.