The M25 closes this weekend between Junctions 10 and 11. Expect delays and use the diversion route. Plan travel now.

The M25 shuts at 9 PM tonight, March 7. It reopens at 6 AM on Monday, March 10. The closure spans Junction 10 to Junction 11. Plan your driving route ahead of time.
Gatwick, Heathrow, and Channel ports could see effects. National Highways warns travelers of potential disruptions. The closure permits bridge demolition. This bridge isn’t needed after upgrades.
Clockwise drivers will exit at Junction 10. Take the A3 north, then the A245 and A320. Return to the M25 at Junction 11. This is the detour route you should follow.
Anticlockwise drivers exit at Junction 11. Use the A320 south, then the A245 and A3. Rejoin the M25 at Junction 10. This is your planned detour.
Another full weekend closure happens later this month. It runs from 9 PM, March 21, to 6 AM, March 24. This second closure will add to travel issues.
They planned this to avoid holidays and events. The Junction 10 project adds lanes. It aims to boost safety and ease traffic flow.
The project helps M25 entry and exit. Wisley, Pyrford, and Byfleet gain safer roads. Expect less pollution from traffic jams.
Clockwise: Exit M25 at junction 10 for A3 northbound. At Painshill, use the A245, then the A320. Rejoin at M25 junction 11 for the next leg.
Anticlockwise: Exit M25 at junction 11 for A320 southbound. Then use the A245 to Painshill. At Painshill, take A3 south to M25 junction 10.
The Dartford Crossing could be quicker than the detour. Consider this M25 route. This option can bypass the construction.