Four-Vehicle Crash Blocks M25 at Watford
A crash involving four vehicles has blocked the M25 motorway near Watford, resulting in delays of up to an hour. The anti-clockwise carriageway is closed at Junction 20 (A41 interchange).
Traffic is being diverted around the scene, with National Highways reporting delays of about 50 minutes as of 8:30 pm. Congestion extends back approximately five miles, reaching the M1.
Incident Details
- The #M25 anti-clockwise is closed within J20 near #Watford due to a 4 vehicle collision.
- @roadpoliceBCH and an ambulance are on the scene.
- Traffic is diverted via exit/entry slip roads to leave and rejoin at J20.
- Delays of 30 minutes and around 3 miles of congestion were reported earlier.
“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.” — Police spokesperson
Emergency Services Response
Herts Police and the East of England Ambulance Service remain at the scene managing the situation.
Traffic Updates
National Highways confirmed ongoing delays and encouraged drivers to seek alternative routes or prepare for slow travel near Junction 20.
Congestion initially measured at five miles around 8:00 pm has currently reduced but still affects motorists in the area.
Author's summary: A multi-vehicle collision at M25 Junction 20 near Watford caused significant traffic delays and emergency response, with authorities advising drivers to avoid the area.
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