CollisionJ10 → J10a · NB
Two lanes closed after multi-vehicle collision
Lanes 2 and 3 of 4 closed. Recovery on scene, congestion building on the approach.
+40min
Delays of 40 minnorthbound between J10 and J10a after a collision.
Updated just now · refreshes every 5 min
Lanes 2 and 3 of 4 closed. Recovery on scene, congestion building on the approach.
Narrow lanes through the works with average speed cameras in operation.
All lanes reopened. Residual delays easing.
Follow the signed hollow-square diversion via the local A-road network.
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The M25 circles London and carries more traffic than any other British motorway, with the Dartford Crossing and the M4, M40, M1 and M11 interchanges acting as its regular pinch points. Clockwise and anticlockwise delays behave differently, so incidents here are listed with their direction and junction range. Live incidents, roadworks and closures below refresh every 5 minutes.