Location : The M1 northbound between junctions J1 and J4 .
Reason : Road traffic collision.
Status : Currently Active.
Time To Clear : The event is expected to clear between 04:45 and 05:00 on 6 August 2025.
Return To Normal : Normal traffic conditions are expected between 04:45 and 05:00 on 6 August 2025.
Lanes Closed : There are lane closures.