The M25 will be closed overnight tomorrow between St Albans and Bricket Wood to allow for the installation of a gantry, as part of work to widen the motorway from three to four lanes between junctions 16-23. The closure will take place from 11pm tonight and is scheduled to run until 6am on Sunday.

The anti-clockwise M25 will be closed overnight between junction 22 for St Albans/London Colney and junction 21a for Bricket Wood/A405.

A diversion route will be signposted from junction 22 via the A1081 to the A414, and M10 for access to the M1 northbound, and A405 to junction 21a and to join the M1 southbound.