Motorway Cops: Catching Britain's Speeders

With 3 million dashcams now in our vehicles, we're revealing some of Britain's worst driving offenders. PC Mike responds to a 10 car vehicle and HGV smash on the M6.

Officer Matt Turner, who has been on the force for over 20 years, brings a car to a stop in the middle of the motorway and comes across an unexpected haul as well as a surprising passenger who stops him in his tracks.

A suspected drug dealer has an unusual explanation for the suspicious contents of his car, but an even bigger surprise faces the police when they also search his home. Elsewhere, Chris Swash is on the trail of a dangerous driver.

PC Andy Doran is on the hunt for a suspected car thief who has abandoned his vehicle on a housing estate. After an exhaustive search, he's left with no option but to send in a police dog to sniff out the suspect.

PC Ian Cosgrove is called out to help a driver from the notorious Thelwall viaduct, a 93-foot-high bridge on the M6. And a good Samaritan sees his brand new car destroyed when he comes to the aid of another motorist

Following a head-on collision between two cars, one driver flees the scene; heavy rain complicates a rescue effort; a kind-hearted bystander witnesses his car being utterly ruined.

Pc Chris Swash is part of a crack team hunting for a gang of ruthless burglars. Pc Ian Cosgrove has an emergency on the motorway to deal with. And, on the M6, Pc Andy Doran has had a tip off about a driver ferrying drugs into Cheshire.

We join Cheshire Police on some of the country’s most dangerous roads, as they deal with suspected drug drivers, stolen vehicles and banned motorists. And they give chase to one of the UK’s fastest speeders.