The Motorway Series 4

Patrollers deal with a freak accident and a family in shock when a lorry wheel comes off.

A patroller is attacked by a driver he's gone to help after a crash, and another driver's luggage flies off the car's roof rack leaving their clothes strewn across the carriageway.

Bad British weather makes for a bad day on the motorway as a freak hailstorm causes chaos for the patrollers as three cars crash off the motorway at high speed.

Mayhem ensues when patrollers discover a car on the M60 leaking fuel and on fire. Plus, a four vehicle pile-up causes chaos on Spaghetti Junction.

A four-car crash in Manchester's rush hour puts patrollers under pressure. And a family - including mum, grandma, two babies and a dog - are stranded at the side of the motorway.

There's mayhem when motorway patrollers discover a car on fire and leaking fuel. A broken-down van blocks a slip road, and a four-vehicle pile-up causes chaos on Spaghetti Junction.

The entire motorway must be shut down after a high-speed motorbike crash on the Spaghetti Junction, just outside Birmingham. The patrollers worst fears are confirmed when they discover an injured man lying in the carriageway. Officers Mickey and Lee discover an abandoned caravan parked on the hard shoulder.

A 44-tonne freight lorry crashes and capsizes in the middle of the M6, an HGV almost catches fire when its brakes lock on, and a school bus breaks down in a dangerous spot.

A wheel ripped from a car in a high speed crash bounces across the carriageway and causes three more accidents. And a car out of fuel causes chaos in the Birmingham rush hour.

A woman attempts to wave down traffic on the M6, a young driver gets trapped in his car after crashing into the central reservation, and a lorry cab threatens to catch fire on the M5.