Location : The M3 westbound between junctions J2 and J3 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:45 and 20:00 on 25 September 2025.
Cause : Accident involving an overturned vehicle.
Delay : There are currently delays of 30 minutes against expected traffic.
Earlier Reason : Caused by an earlier accident.

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