Traffic Cops - Season 4

A violent new crime wave known as County Lines is taking hold in Britain. Across the country, urban drug gangs are expanding their empires by moving into small towns and rural areas.

A fifth of the offences which North Yorkshire Police deal with, like theft and drug-dealing, are committed by crooks from outside the area.

In York, early-morning raids are carried out on two properties seeking suspects who are believed to be exploiting teenage girls. And at Wetherby services on the A1M, seven stowaways are found in a lorry that has recently arrived from the continent.

A tyre stinger is used to stop a vehicle suspected of carrying stolen mobile phones. Automatic Number Plate Recognition is used to track and intercept a vehicle suspected of being used by burglars targeting the homes of older folk.

A van driver is twice the legal limit and has three bags of white powder in his pocket. A public-spirited motorist clues the police into a drunk-driving woman.

The firearms team are called in as an elderly couple may be involved in attempted murder. A mysterious traffic incident sees a car upside down and on fire, the driver missing and a baby seat in the back. A drunken disturbance in a pub leads to a tense manhunt throguh dark countryside.

An intelligence operation identifies a car thought to be involved in drug trafficking, but becomes a case of suspected fraud when more than ú1,000 is found in the vehicle.

Cops chase a 15-year-old in a stolen Audi at 140mph down the M62, and discover a boot full of stolen goods at the scene of a serious traffic accident.

The Traffic Cops are called to an accident involving a motorbike, and on the road to Harrogate a group of bikers get into an altercation with a motorist.

In Harrogate, police on patrol face an escalating situation until they are the ones under threat. North Yorkshire cops are appalled at the extent a driver will go to escape being pulled over. A tense operation reveals a house filled with cannabis and other suspicious discoveries.

An 80mph pursuit stretches 15 miles across North Yorkshire. Wet roads make a 90mph chase near Scarborough even more dangerous. A pursuit is aborted when the driver pulls over to relieve himself, and the cops find an open crate of lager in his car.

Julian is called to the site of a fatal car crash.

An elderly lady has collapsed in her bathroom, jamming the door shut. An elderly man driving without his glasses is responsible for a hit and run. And, a people carrier has collided with a mobility scooter.

Police are called to a serious multiple-vehicle collision on the A64 that brings the northbound carriageway to a standstill, with the driver in the worst-affected car being airlifted to hospital with severe injuries. Near Scarborough, a VW Golf with no MOT fails to stop and clocks up speeds in excess of 100mph before colliding with a police car.

Officers close in on a suspected stolen car near Tadcaster, but they have to deploy two stingers as the driver tries to escape by hitting speeds in excess of 100mph. On the outskirts of Harrogate, a car with suspected links to supplying drugs is pulled over, with a search yielding narcotics with an estimated street value of over £12,000. Last in the series.