M4 westbound between J8 and J10 | Westbound | Congestion

Location : The M4 westbound between junctions J8 and J10 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 06:00 and 06:15 on 28 September 2025.
Cause : Road traffic collision.
Delay : There are currently delays of 30 minutes against expected traffic.