A1: Highway Patrol

S4 E1 • 44m • HD12

A driver's life hangs in the balance following a serious accident in one of the worst snowstorms to hit the A1 in years.

S4 E2 • 44m • HD12

The police box clever during the pursuit of a suspected stolen car. A driver faces a five hour wait for a recovery vehicle after breaking down in freezing weather.

S4 E3 • 44m • HDPG

Emergency crews battle to quell a van fire that refuses to die down. An overturned lorry closes the road to Edinburgh.

The innocent party in a three-car smash ends up on the wrong side of the law. A huge operation is launched to move a 300-tonne load up the A1.

Police face a difficult job freeing a fragile driver from a stricken vehicle. Traffic cops seize a car being driven with no insurance and no licence.

S4 E6 • 44m • HD12

Police race to the rescue when a caravan overturns on the A1. Traffic officers must quickly deal with two vehicles abandoned in dangerous locations.

Emergency crews are called out to free a man trapped in his car. Traffic officers help a motorist stranded in freezing conditions.

A tragic accident leaves a biker fighting for his life. Traffic officers track down pedestrians taking a dangerous path alongside the carriageway.

S4 E9 • 44m • HDPG

An accident on an icy road forces traffic officers to take drastic action. Police investigate the cause of a crash on a roundabout.

Police face an emergency when a car collides with a huge 36-ton crane. Traffic police battle to clear two broken down vehicles in dangerous spots.