Location : The M40 northbound between junctions J9 and J10 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 04:30 and 04:45 on 4 September 2025.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.

The latest incident information for England’s motorway and trunk routes provided by Highways England