Weekend Roadworks/Closures: M25 Junction 10/A3

Published: 21 July 2025

National Highways Latest updates

• 11 July 2025

  A3 weekend closures from August to September

  Friday 1 August – Monday 4 August

  We'll close the A3 in both directions between Junction 10 Wisley Interchange and the B2215/A247 at Send from 9pm on Friday night until 6am on Monday morning.

  We need the closure to install several gantries and for resurfacing.

  Southbound A3 main diversion

  • you'll take the eastbound (anticlockwise) M25 to junction 9
  • travel south on the A243, then join the southbound A24, the westbound A246 and the northbound A247
  • re-join the southbound A3 at the Burnt Common interchange

  Southbound A3 non-motorway diversion

  • take the northbound A3
  • then take the eastbound A245, the northbound A307, the eastbound A309 and the southbound A243
  • join the southbound A24, then take the westbound A246 and the northbound A247
  • re-join the southbound A3 at the Burnt Common interchange

  Northbound A3 main diversion

  • take the B2215 off the A3
  • then travel south on the A247, east on the A246, north on the A24 and north on the A243
  • join the westbound (clockwise) M25 at junction 9
  • re-join the northbound A3 at junction 10

  Northbound A3 non-motorway diversion

  • take the B2215 off the A3
  • then travel south on the A247, east on the A246, north on the A24 and north on the A243
  • then travel west on the A309, south on the A307 and west on the A245
  • re-join the northbound A3 at the A245 Painshill junction

  Friday 12 September – Monday 15 September

  We'll close the A3 southbound carriageway between the A245 Painshill roundabout and Burnt Common from 9pm on Friday night until 6am on Monday morning.