A1: Britain's Longest Road - Episode Guide

A high-speed police chase leads to a major drugs bust, and two swans force the road to close.

Police are called to a major pile-up which threatens to close the road. Traffic examiners clamp down on dangerously overloaded vehicles, and there is a mammoth mission to deliver a couple's dream retirement home nearly two hundred miles up the A1.

Traffic police in Scotland respond to an emergency with an overturned car. Tempers boil over after a double crash at rush hour, and there is a battle to move a mammoth machine to the end of the road in London for an appointment at the Lord Mayor's Show.

An A1 patrol officer gets called to help a biker fighting for his life. Traffic officers come face to face with a lorry driver flouting the law, and a boat transporter is marooned after a puncture halts the journey.

Bad drivers face a police crackdown, traffic officers race to the scene of a treacherous blowout, and Santa's reindeer head hundreds of miles south down the A1.

Police race to the scene of a head-on collision, an overturned milk lorry causes rush hour chaos, and a reckless speeder is tracked down after putting roadworkers lives at risk.

A horrific crash causes rush hour chaos on the Great North Road, traffic inspectors launch a crackdown on distracted lorry drivers, and there is a bumpy mission to deliver a herd of camels to a Christmas nativity.

A lorry breakdown causes rush hour traffic chaos, emergency response teams are called after power lines collapse, and a fireworks display team faces having to abandon a seafront spectacular due to bad weather.

A suspected stolen vehicle leads police to pull a driver found to be over the drink-drive limit, a truck breakdown at rush hour puts motorists' safety in jeopardy, and a couple hope their six-hour journey with their show dog will end in glory.

A runaway van causes gridlock when it careers down an embankment, police race to a multiple car crash near Newcastle, and there is a battle to deliver a luxury liner to the London Boat Show on time.

A serious smash on a busy A1 junction leaves the driver's life hanging in the balance. Will treacherous weather hamper an emergency road repair? And the perils of transporting a priceless piece of art.

Emergency services fight to cut a woman free from her car after a rush-hour crash. Police take a motorist suspected of drink-driving off the A1. And a convoy of monster machines marches down the Great North Road.

Traffic officers race to get a stranded fuel tanker away from rush-hour traffic. Police catch a vehicle travelling nearly 30 miles per hour over the speed limit. And an illegal motorist is caught red-handed.

A dangerous breakdown in the fast lane spells double trouble for A1 traffic officers. A rush-hour rollover threatens a horse trainer's hopes of making the big race and police put the breaks on a van driver's DIY disaster.

A rush-hour crash leaves traffic officers tackling a potential fire risk. Police take the high road in a crackdown on dangerous truckers. And a marathon mission to ferry Scotland's finest food down the A1 to London.

Traffic officers respond to a runaway car which has plunged down a 20-foot embankment next to the A1. Scottish Police target dangerous drivers on their mobile phones. And two Geordie giant veg growers get in a stew on the Great North Road.

Lives hang in the balance after a car careers off the A1 closing the road. A mission to move a coach full of concert-goers stranded on the Great North Road becomes a titanic job.

Police use the A1 to catch shoplifters on the run. And a mission to drive a lifesize iced TV icon through the night proves anything but a piece of cake.

A1 patrol officers launch a high-speed pursuit to catch a reckless motorist. Traffic officers battle to keep the road moving during the bank holiday getaway. And the mystery of an abandoned vehicle with a missing owner.

A pedestrian goes walkabout on the motorway putting lives in danger. Police use brute force to rescue stranded motorists in rush hour traffic. And a British military icon goes into battle against the A1 traffic.

An accident on a wet road leaves a life hanging in the balance. A lorry fire threatens to cause traffic chaos on the A1, and the closure of the road leaves an antiques dealer counting the cost.

Police face a hefty challenge to clear a road after a bin lorry overturns. Safety inspectors launch a clampdown on dangerous lorries, and a canine team's journey up the A1 is dogged by traffic chaos.

Police face a tricky pursuit to stop a suspected stolen car on a rain-soaked A1. Traffic officers battle to remove dangerous debris from the road which could cause chaos. And police arrest a reckless drink driver who is nearly five times over the limit.

Police race to a lorry engulfed in flames which is threatening to close the road. Plus, the gospel choir singing out loud on the Great North Road and the supersize RAF blowout that goes from bad to worse.

Traffic cops box clever to catch a motorist red-handed. A distressing crash leaves drivers in shock, and two film-loving newlyweds take the A1 high road for a bit of movie magic.

Sprotbrough traffic officers respond to a nine-vehicle pile-up caused by an abandoned car. Plus a Scottish shoplifter feels the sharp end of the law, and the programme meets a family-run team transporting tonnes of fireworks up the Great North Road.

A city-centre bus collision leaves a pedestrian fighting for her life. Freezing temperatures turn an A1 slip road into a skating rink. And a team of champion huskies almost hound off the Great North Road.

Scottish police deal with a terrifying caravan crash. Sprotbrough traffic officers can't believe their eyes. And a learner driver has a testing day.

A police pursuit of a suspected stolen vehicle leads to arrests. A stranded lorry with a blowout puts pressure on Sprotbrough traffic officers. And astronaut Tim Peake's space craft is launched up the A1.

A breakdown blocks a lane and leads to a crash in the queue. A paper trail is left blowing in the wind. And traffic cops deal with a stranded pony.

Lives hang in the balance after a head-on collision. There is trouble when a beer tanker suffers a blowout. And a pantomime crocodile takes the A1 to Neverland.

A joyrider's crash puts lives at risk. An empty fuel tank gives traffic officers a headache.

A pregnant passenger is stranded after a crash. A roadside windfall causes chaos. And a mobile user is caught red-handed and red-faced.

A drunk and dangerous driver is caught on camera. Northumbria Police respond to a distressing call-out with heartbreaking news. And a family make an emotional journey to the Burghley Horse Trials.

A rush-hour crash puts lives at risk. A stranded motorist gets a nasty surprise. And some extreme road truckers display nerves of steel.

A driver's life hangs in the balance following a serious accident in one of the worst snowstorms in decades. A passenger panics after getting stuck on an icy embankment.

A driver faces a long wait after breaking down in freezing conditions. Meanwhile, a convoy of expensive motors makes a difficult detour off the A1.

Emergency services fight to quell a devastating van fire. Meanwhile, an overturned lorry forces the closure of a road to Edinburgh.

The innocent party in a three-car collision ends up on the wrong side of the law. Police rescue two motorists caught short of fuel and a 300-ton load needs moving up the A1.

Police face a tough task to free a fragile driver. A1 traffic cops seize a car being driven with no insurance and no licence. And a major crash forces the closure of the road for nearly six hours.

Police rush to the rescue after a caravan overturns on the A1. Traffic officers hurry to deal with two vehicles abandoned in dangerous spots. And a six-metre giant makes an epic journey up the Great North Road.

An emergency callout to rescue a driver trapped in his car. A1 traffic officers help a motorist stranded in freezing conditions. And a driver is left red-faced after being caught red-handed using her mobile phone.

A tragic accident leaves a biker fighting for his life. Traffic officers track down pedestrians taking a dangerous path alongside the carriageway. And a two car crash sparks fears a driver has worrying injuries.

An accident on an icy road forces traffic officers to take drastic action. A1 traffic cops investigate the cause of a two-car crash on a roundabout. And a mobile phone using motorist gets the blues and twos.

Police are alerted to an emergency after a car collides with a huge 36-ton crane. A1 traffic cops battle to clear two dangerous vehicle breakdowns. And a near 40-foot metal giant turns heads on its journey up the Great North Road.