Usage patterns
〈場所〉行きのバスに乗るto take the bus bound for a place
I took the bus bound for Tokyo from in front of the station.
バスを降りるto get off the bus
I'll get off the bus at the next stop.
バス停でバスを待つto wait for the bus at the bus stop
I waited for the bus at the bus stop in the rain.
バスが遅れるfor the bus to be late
The bus is delayed because of an accident.
Expressions
バスに乗り遅れるmiss the bus (literally); miss the boat (figuratively); fall behind the times; miss out on an opportunity