Location : The M3 westbound between junctions J3 and J4 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 11:30 and 11:45 on 16 September 2025.
Cause : Vehicle fire.
Delay : There are currently delays of 10 minutes against expected traffic.

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