Location : The M40 southbound at junction J1A .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Reason : Roadside drains works are planned.
Status : Pending.
Schedule : From 23:15 on 1 September 2025 to 06:00 on 2 September 2025.
Lanes Closed : All lanes will be closed.