6 episodes
First episode: E1Britain'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.
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Quick answers about this series, release status, and episode totals.
When did Britain's Busiest Motorway first air?
Britain's Busiest Motorway first aired on February 21, 2017.
How many seasons and episodes does Britain's Busiest Motorway have?
Britain's Busiest Motorway currently has 1 season and 6 episodes.
When is the next episode of Britain's Busiest Motorway?
Britain's Busiest Motorway is ended, and no upcoming episode is currently scheduled.