Location : The M40 northbound between junctions J2 and J4 .
Reason : Accident involving an overturned vehicle.
Status : Currently Active.
Time To Clear : The event is expected to clear between 12:45 and 13:00 on 18 August 2025.
Return To Normal : Normal traffic conditions are expected between 12:45 and 13:00 on 18 August 2025.
Lanes Closed : There are lane closures.