A1: Highway Patrol

The series begins with a police chase, leading to a major drugs bust. Two swans cause the temporary closure of a section of road.

Police are called to a major pile-up that threatens to close the road. Traffic examiners clamp down on overloaded vehicles. A couple's home has to be transported nearly 200 miles.

Traffic police in Scotland respond to an overturned car. Tempers flare after a rush hour crash, and in London there is a mammoth machine to move before the Lord Mayor's Show.

An A1 patrol officer is 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.

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.

Police race to the scene of a head-on collision, and a milk lorry overturns bringing rush hour chaos to the A1. Also, a reckless speeder is tracked down.