noun
fixed-route bus; transit bus; regular bus
Refers to a bus that runs on a set route and schedule, as opposed to chartered or on-demand buses. Often used in contrast with 観光バス (tour bus) or 貸切バス (chartered bus).
See also: 路線バス
市内の移動には乗り合いバスが便利です。
Fixed-route buses are convenient for getting around the city.
この乗り合いバスは駅と病院を結んでいます。
This transit bus connects the station and the hospital.
Compound of 乗り合い (shared riding) + バス (bus). The term distinguishes regular public buses from chartered or tour buses.