Upcoming M25 and A3 closures

Find out about National Highways M25 and A3 closures over the coming months

Wisley interchange gyratory closure – 21 to 24 February

National Highways is planning their third gyratory closure at the junction 10 Wisley interchange this February. The closure will be in place from 9pm on Friday 21 February to 6am on Monday 24 February.

The M25 and A3 will both remain open during the closure, but the slip roads and roundabout at junction 10 will be closed. Drivers will not be able to change from the A3 to the M25 or vice versa.

M25 and A3 weekend closures – March and April

National Highways has also announced a further series of closures for the M25 and A3 over weekends in March and April. These will be full weekend closures.

Closure dates are as follows:

  • 9pm on Friday 7 March to 6am on Monday 10 March: full closure of the M25 in both directions between J10 and J11 at Chertsey
  • 9pm on Friday 21 March to 6am on Monday 24 March: full closure of the M25 in both directions between J10 and J11
  • 9pm on Friday 11 April to 6am on Monday 14 April: full closure of the A3 in both directions between J10 and the Painshill roundabout

There are ongoing overnight closures in the coming months, including an extended hours overnight closure on the A3. The closure will be in place in both directions between the junction 10 interchange and the B2215/A247 at Send from 9pm on Saturday 15 February until 9am on Sunday 16 February.

Full details are available on the National Highways website. Please keep checking this page for the latest information.

About the Wisley interchange works

Further details about the junction 10 works, including dates of any overnight closures can also be found on National Highways website. There are also updates on the project on social media on National Highways X/Twitter and Facebook accounts.

Who can I contact about the works?

If you have questions about the project, you can contact National Highways by emailing info@nationalhighways.co.uk or calling 0300 123 5000.

You can also sign up to our Highways Update newsletter to get the latest updates on the closures and other highways issues from across the county. Don't forget to follow the Surrey Highways Facebook and X accounts.

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