The Wheels on the Bus go Bang!

My car is having a service today so I decided to get a bus home. I walked to the bus station and got an SB7 to bring me home. We were about one stop away from where I wanted to get off when there was a mighty bang from underneath me and a rat-a-tat-tat as the tyre shredded it’s tread.
Take public transport, they said. It’s saving the planet, they said…