Road Closures/works: Junction 10 M25/A3 w/c Monday 16 February
Published: 18 February 2026
Overnight closures:
For five nights, the M25 junction 10 gyratory will be closed - Monday, Wednesday and Thursday from 10pm to 5.30am and on Friday from 11pm and 6am. This closure will include all entry and exit slip roads at junction 10. Diversion routes:
- Northbound A3 main diversion: via B2215, south on the A247, east on the A246, north on the A24, north on the A243, join the westbound (clockwise) M25 at junction 9, rejoin the northbound A3 at junction 10.
- Northbound A3 non-motorway diversion: via B2215, south on the A247, east on the A246, north on the A24, north on the A243, west on the A309, south on the A307, west on the A245 to rejoin the northbound A3 at the Painshill junction.
- A3 Southbound to M25B : via A3 Painshill, A245, A307, A309, A243, M25 J9
- A3 Southbound to M25A: via A245, A320, M25 J11
- M25 Clockwise: via M25 J9, A243, A309, A245, A3 Painshill