Britain's Busiest Motorway

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Britain's Busiest Motorway

After dark, the speed of traffic goes up, making the motorway a more dangerous place.

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2019
When a heatwave hits during a busy bank holiday, mayhem on the roads soon follows.
How outside elements such as weather and animals can make the M25 unpredictable.
Two traffic collisions in Dartford have brought the area to a standstill.
Traffic officers Ray and Brian are called to a collision involving a truck and a car.
Traffic officers Steve and Grant set off to attend a vehicle on fire.
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