A high-speed police chase leads to a major drugs bust, and two swans force the road to close.

Police are called to a major pile-up which threatens to close the road. Traffic examiners clamp down on dangerously overloaded vehicles, and there is a mammoth mission to deliver a couple's dream retirement home nearly two hundred miles up the A1.

Traffic police in Scotland respond to an emergency with an overturned car. Tempers boil over after a double crash at rush hour, and there is a battle to move a huge machine to the end of the road in London for an appointment at the Lord Mayor's Show.

An A1 patrol officer gate called to help a biker fighting for his life. Traffic officers come face-to-face with a lorry driver flouting the law, and a boat transporter is marooned after a puncture halts the journey.

Bad drivers face a police crackdown, traffic officers race to the scene of a treacherous blowout, and Santa's reindeer head hundreds of miles south down the A1.