Road Closures/works: Junction 10 M25/A3 w/c Monday 20 July

Published: 20 July 2026

Overnight Closures

For five nights, the southbound A3 will be closed between the Painshill interchange and Wisley interchange (junction 10): Monday to Thursday from 10pm to 5.30am and on Friday from 11pm to 6am.

Diversion routes as follows:

Route via the Hook interchange:

the closure will be signed from the Hook interchange so people can join the diversion earlier via the A243.
for M25 traffic, you can then join the M25 in either direction at junction 9.
for Non Motorway traffic wishing to continue on the southbound A3, from the A243, continue on the A24, A246 and the A247, to re-join the southbound A3 at the B2215 (Send).

Route via Painshill interchange:

via the eastbound A245 at Painshill, then via the A307, A309, to join the above route

Route to join the westbound (clockwise) M25:

via the westbound A245 at Painshill, the follow the A320 to join the westbound (clockwise) M25 at junction 11.