express intercity bus; highway bus
A long-distance bus that uses expressways, typically connecting cities. Often used for affordable intercity travel.
東京から大阪まで高速バスで行く。
I go from Tokyo to Osaka by express bus.
高速バスの予約をネットでした。
I made a reservation for the express bus online.
I got on the express bus bound for Osaka.
I plan to go to Tokyo by express bus.
It's better to reserve your express bus seat early.