All Episodes of Britain's Busiest Motorway

Browse all episodes of Britain's Busiest Motorway

Six-part documentary series that goes behind the scenes with the hidden army of traffic controllers, patrol officers, engineers and maintenance workers who work tirelessly around the clock to keep the M25 motorway moving.

Airs on

ITV1

Select Season:

Season 1

N/A/100 votes
Another Day at the Office
Season 1 Episode 1 - Aired 2/21/2017
Two traffic collisions in Dartford have brought the area to a standstill. Traffic officers Simon and Gary are dealing with a pile-up
Director: Unknown
Writer: Unknown
N/A/100 votes
Danger Ahead
Season 1 Episode 2 - Aired 2/28/2017
Traffic officers Steve and Grant set off to attend a vehicle fire, and end up having to shut the entire motorway.
Director: Unknown
Writer: Unknown
N/A/100 votes
Carmageddon
Season 1 Episode 3 - Aired 3/7/2017
It’s bank holiday weekend and with a heat wave on its way, there are record numbers of vehicles expected on the roads.
Director: Unknown
Writer: Unknown
N/A/100 votes
Car versus Trucks
Season 1 Episode 4 - Aired 3/14/2017
Traffic officers Ray and Brian are called to a collision between a truck and car. The car driver is unhurt, but the truck driver is not happy. Meanwhile, fellow officer Simon and team manager Kevin find some illegally parked truck drivers on the side of the M25, and Kevin finds it hard to make himself understood
Director: Unknown
Writer: Unknown
N/A/100 votes
Expect the Unexpected
Season 1 Episode 5 - Aired 3/21/2017
This edition reveals how outside elements such as weather and animals can make the M25 unpredictable for the many vehicles using it every day.
Director: Unknown
Writer: Unknown
N/A/100 votes
Things that Go Bump in the Night
Season 1 Episode 6 - Aired 3/28/2017
Traffic officers Andy and Keith are called out on the night shift to remove a cupboard from the carriageway, with the increased speed of the traffic putting them in serious danger. Back in the control room, Emily spots some loose horses causing chaos at Junction 23, while at junction 10 a bridge joint is being replaced and the engineers are in a race against time to get the job done before the sun rises.
Director: Unknown
Writer: Unknown