Britain's Busiest Motorway (Documentary, English)
Status: Ended
Premiered: 2017-02-21
Ended: 2017-03-28
Network: ITV1
Country: GB
Airs on: Tuesday
Air time: 19:30
Runtime: 30 minutes
Britain's Busiest Motorway is a 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.