Four-vehicle crash blocks M25 near Watford
A collision involving four vehicles has closed the anti-clockwise M25 motorway within Junction 20, near Watford, leading to delays of up to an hour.
Traffic and emergency response
Traffic is being diverted around the incident using the exit and entry slip roads at Junction 20. National Highways reported delays of approximately 50 minutes as of 8:30 PM, with congestion extending about five miles and stretching back to the M1.
Herts Police and the East of England Ambulance Service are at the scene managing the situation.
Official statement
«We are currently dealing with a high volume of traffic on the M25 anticlockwise at Junction 20 (Watford/Kings Langley) following a road traffic collision. We would ask you to please avoid the area at this time.»
Social media update
The National Highways East Twitter account noted that the collision caused three miles of congestion with 30-minute delays near Junction 20.
Summary: A four-vehicle crash near Watford has shut the M25 anticlockwise at Junction 20, causing significant delays and requiring traffic diversions while emergency services respond.