M4 westbound between J14 and J15 | Westbound | Congestion

Location : The M4 westbound between junctions J14 and J15 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 22:15 and 22:30 on 20 November 2025.
Delay : There are currently delays of 40 minutes against expected traffic.