The series following the work of the people who work on and use the A1 begins with a police chase leading to a major drugs bust. Two swans cause the temporary closure of a section of road.
Police are called to a major pile-up that threatens to close the road. Traffic examiners clamp down on overloaded vehicles. A couple's dream retirement home has to be transported nearly 200 miles.
Traffic police in Scotland respond to an overturned car. Tempers flare after rush hour crash and in London there is a mammoth machine to move before the Lord Mayor's Show.
An A1 patrol officer is 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.
Police race to the scene of a head-on collision, and a milk lorry overturns bringing rush hour chaos to the A1. Also, a reckless speeder is tracked down after putting road workers lives at risk.
A horrific crash causes rush hour chaos on the Great North Road, and traffic inspectors launch a crackdown on distracted lorry drivers. Also, the bumpy mission to deliver a herd of camels up the A1 to a city's Christmas nativity.
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.
A lorry breakdown causes rush hour chaos, and emergency response teams are called after collapsed power lines close the A1. Also, after a marathon journey north, a fireworks display team faces having to abandon a seafront spectacular.
A suspected stolen vehicle leads police to pull a driver who is found to be over the drink drive limit. Also, a couple hope their six hours A1 journey with their top 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. 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 officers tackling a fire risk. Police take the high road in a crackdown on dangerous truckers. A marathon mission to ferry Scotland's finest food down the A1 to London.