M25 traffic: Full diversion route after lorry crash shuts motorway for hours near St Albans

A diversion route has been put in place after the M25 was closed following a crash near St Albans. At around 12.30am this morning (Tuesday, November 17), the emergency services were alerted to a collision involving a lorry on the clockwise carriageway. Officers from Hertfordshire Constabulary as well as the Bedfordshire, Cambridgeshire and Hertfordshire (BCH) Road Policing Unit rushed to the scene and immediately closed the carriageway between junction 21a and 22.

The crash involved a lorry colliding with a concrete barrier before its oil tank then erupted onto the road. Check the traffic in your area by putting in your postcode below: The BCH Road Policing Unit tweeted at 5.15am this morning and said: “Recovery of the crashed HGV is under way on the M25 between 21a and 22, St Albans.

“All lanes closed eastbound between the two junctions, please seek alternative routes.” A diversion route has now been set up around the scene for drivers this morning. Drivers are being urged to follow the hollow black triangle diversion symbol and exit the M25 at J21A.

They should then take the first exit on to the A405 towards St Albans and at the roundabout with the A414, take the third exit and travel along the A414 towards Hatfield.

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At ‘London Colney Roundabout’ take the second exit on to the A1081, travel along the A1081 to rejoin the M25 at J22. There is already some delays on the diversion route and so Highways England are urging motorists to allow for plenty of extra time when making their journeys. The eastbound carriageway of the A414 currently has two-and-a-half miles of slow moving traffic which could worsen as the M25 remains closed.

For live updates on the M25 closure, you can follow our live blog here.