Britain's Busiest Motorway (2017)

First Air Date: 2017-02-21
Last Air Date: 2017-03-28
Total Seasons: 1
Total Episodes: 6
Episode Runtime: 25 min.
Network: ITV1

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.