Busses vs Trains is a lie
It's actually Busses and Trains vs Cars
Buses and trains are just built for different purposes. Buses are built for more local transportation, while trains are designed for efficient long-distance movement.
Readers added context they thought you should know:
Many trains are built for local transportation, and many buses are built for long-distance transportation.
https://en.wikipedia.org/wiki/Tram
https://en.wikipedia.org/wiki/Rapid_transit
https://en.wikipedia.org/wiki/Light_rail
https://en.wikipedia.org/wiki/Penn_%26_Teller%27s_Smoke_and_Mirrors#Desert_Bus