Motorway Cops: Catching Britain's Speeders - Series 4

Inspector Anton Sullivan is one of six police cars involved in the pursuit of a vehicle that has failed to stop. The officers eventually manage to box the vehicle in, but the chase continues on foot as the passengers attempt to flee.

On the outskirts of Congleton, a suspected drink driver becomes furious when they are stopped for questioning. Meanwhile, Inspector Anton Sullivan is at the scene of a three-vehicle crash in Cheshire.

PC Matt Turner chases down a drink driver who caused a collision during the morning school run. In addition, officers investigate a broken-down BMW on the M6 that stinks of cannabis.

Inspector Anton Sullivan receives a hug from a stranded motorist after a roadside rescue, PC Niaz Waddington pursues a suspected petrol thief, and PC Mike Clark believes a van driver is involved in drugs.

PC Niaz Waddington and PC Andy Doran hunt for a wanted Range Rover, PCs Ian and Matt are called in to bring a vehicle to a stop after a tip-off from HMRC, and a serious car crash on the M56 leaves a passenger trapped.

PCs Ian and Matt pull over a Chevvy. A search of the vehicle reveals drugs paraphernalia. In Warrington, cops the hunt for an uninsured driver who may be drunk.

PCs Mike and Niaz are on the tail of a group of thieves who've stolen over £5,000 of luxury goods from a Cheshire shop. Plus, PC Rowan spots a learner driver without the right plates.