M25 Road Closures In June 2025. Part of the m25 in surrey will be closed for a third time this year as work continues on a £317m improvement project. The m25 clockwise entry slip at junction j21.

Expect disruption everyday between 22:00 and 05:30 from 9. The motorway between junctions 10 for the a3 and 11 for chertsey will be closed from 9pm friday 12th july to 6am monday 15th july 2025, as part of a £317 million project to.