The M25 is closed following a 'serious' crash involving multiple vehicles.
The crash has happened on the clockwise road between junction 19 and 20 this evening (Tuesday August 18).
All lanes are closed between junction 19 (Watford) and junction 20 (Kings Langley) following a "serious road traffic collision'.
Five vehicles were involved in the crash, Highways England has said.
Drivers are advised to come off the M25 at at J19 o the Hunton Bridge roundabout and then onto the A41 to junction 20 to rejoin.
For further information (including the diversion route details) on this closure of the #M25 clockwise in #Hertfordshire, please head over to https://t.co/tbt61xHNip.
— Highways England (@HighwaysEAST) August 18, 2020
There are delays of over an hour on approach to the closure, so allow plenty of extra time for your journey. pic.twitter.com/vqmhQWO2EN
Heavy traffic means the diversion route is currently gridlocked.
The incident is being dealt with by traffic officers, however the road is not expected to be cleared until 8pm - there are delays of over an hour on approach to the closure.
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