Massive M25 Crash Near Chorley Wood Sparks Severe Traffic Chaos
A serious collision has shut the M25 anti-clockwise between Junction 18 near Chorley Wood and Junction 17 at Mill End. The crash has brought traffic to a grinding halt, sparking huge delays in Hertfordshire.
Emergency Services Swarm Scene
Hertfordshire Police, emergency crews, and Highways England Traffic Officers are on site handling the incident. The stretch remains closed as investigations and clear-up are underway.
Follow “Hollow Square” Diversion Route
Drivers caught up in the chaos are urged to follow the official “Hollow Square” diversion signs to avoid the closures. Here’s the step-by-step detour:
- Exit M25 at Junction 18 and turn left at the lights onto the A404 towards Rickmansworth.
- At the first roundabout (A404/A412), take the 2nd exit onto the A412.
- At the second roundabout, take the 3rd exit to continue on the A412 towards Slough.
- At Maple Cross Roundabout, take the 2nd exit onto the link road heading back to the M25.
- At Junction 17 roundabout, take the 1st exit to rejoin the M25 towards Heathrow.
Plan Ahead: Expect Delays
Motorists are warned to allow extra journey time and expect heavy congestion on alternative routes. Stay tuned for updates as police work to reopen the M25.
