M25 traffic chaos: Massive delays due to the closure of two lanes following a catastrophic accident – updated


THE M25 is experiencing long delays following an earlier crash.

The clockwise M25 is down to one lane between J4 for Orpington and J5 for Sevenoaks. The exit slip road at the A21 towards Sevenoaks remains closed for a police investigation, National Highways said. Kent Police confirmed officers were called to a single vehicle crash at J5 shortly before 1am.

The force added two people have been injured and taken to a hospital in London.

National Highways said the clockwise M25 between J4 and J5 was closed shortly before 1.30am.

Traffic on the anti-clockwise direction at J5 was also temporarily held.

The junction closure remained in place for around three hours before two of the lanes reopened at 4.21am.

In a tweet shortly before 7am, Kent Highways said emergency services were still at scene following the Road Traffic Collision (RTC).

It said: “The M25 J5 exit slip road for the A21 is currently closed following an earlier RTC.

“Emergency services are in attendance, please allow extra time for your journey and expect delays.”

BBC Radio London Travel confirmed disruption remained in the area during the morning rush hour and was now down to just one lane.

In a tweet shortly after 9am, it said: “The clockwise #M25 is down to one lane at #J5 #A21 as the exit slip road is still closed for an investigation – delays from #J4 #Orpington.”

Police have confirmed the A21 slip road for Tonbridge remains closed and urged motorists to follow the diversion.

The closure is expected to remain in place until around 4pm.

The latest traffic cameras show congestion and tailbacks remain the M25 between Sevenoaks and Orpington.


A Kent Police spokesperson said: “Kent Police was called to a single vehicle collision on the M25 at Junction 5 just before 1am on Monday, October 11 2021.

“Two people were taken to a London hospital for treatment.

“The carriageway remains closed at the A21 slip road in the direction of Tonbridge, where a diversion is in place.”


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