National Highways has advised of three weekend closures, which are part of the M25 junction 10 project, taking place during June and July.
The Wisley interchange junction 10, including all entry and exit slip roads for lighting and traffic signal works:
- From 9:00pm on Friday 13 June to 6:00am Monday 16 June 2025
The M25 and A3 will remain open during this closure however you will not be able to move between the two roads at Wisley interchange junction 10.
The A3 will close in both directions between the M25 junction 10 Wisley Interchange and the Painshill roundabout at Cobham over two full weekends to enable safe installation of a gantry and to build the new Redhill Road bridleway bridge over the A3.
These closures will take place:
- From 9:00pm Friday 20 June to 6:00am Monday 23 June 2025
- From 9:00pm Friday 04 July to 6:00am Monday 07 July 2025
More information and diversion routes: M25 junction 10 - National Highways.