A truly catastrophic traffic problem occurs when a bus gets stuck in a hole, leading to a cumulative jam.

It's a beautiful day, and the Royal Family are sunning themselves in the Palace Gardens. The royal babies' grandad is even having a bit of a snooze - what bliss

'The bus went over and the bus went around. The bus went up and the bus went down. ' Winter and summer Little Cat goes to school on the big red bus with her big

For use in schools and libraries only. When the wheels of the big bus get stuck in the hole, a huge mess develops as other vehicles get stuck behind the bus in