This is nearly double last month's 11.5-mile diversion during the first M25 closure on a different section of the road between junctions ten and 11 from March 15 to 18.

Diversion route clockwise for all but over-height vehicles: Leave M25 at junction 8, A217 (Reigate). Follow the A217 London, Sutton, (A240) Kingston. After 3½ miles turn left onto the A240 Epsom ...

Just Stop Oil said it was declaring the M25 "a site of civil resistance". It also warned it would carry out further protests on the motorway in the coming days. Five people have now been arrested.

The M25 won’t be the only road reshaped by the growing airport, with re-routed sections planned for the A4 and A3044. Road widths may be "refined in due course to meet traffic capacity." ...