M25 Shut After Serious Two-Car Smash Between J18 and J19
The M25 clockwise is completely closed between Junction 18 and Junction 19 following a major two-vehicle crash. The collision involved cars in lanes 3 and 4, forcing police to shut all lanes.
Emergency Services Swarm Scene
Hertfordshire Police, Highways England traffic officers, and emergency crews are on site dealing with the aftermath. A Highways England spokesman confirmed the closure and urged drivers to stay clear.
Massive Delays and Diversion Routes
Drivers are warned to expect heavy delays. Follow the “Solid Triangle” diversion signs:
- Exit M25 at Junction 18 onto the A404
- Take the A412, then proceed to the A41
- Join the A405 before re-entering the M25 at Junction 21A
Allow plenty of extra time for your journey.
Stuck in Traffic? Stay Put
Authorities advise anyone trapped in queues to remain in their vehicles and not move until instructed by officials.
We’ll bring you more updates as the situation unfolds.
