M25 Closures January 2025 Calendar. The two remaining closures will be next spring, with national. Further details on any upcoming closures can be found on national highways’ website.

Expect disruption everyday between 22:00 and 05:30 from 15 january 2025 to 17 january 2025. From 23:00 on 17 january 2025 to 06:00 on 18 january 2025.