Location : The M1 southbound between junctions J12 and J11A .
Lane Closures : Lanes 2 and 3 will be closed.
Reason : Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 September 2025 to 05:00 on 21 September 2025.
Lanes Closed : There will be two of three lanes closed.
