M4 westbound between J21 and J22 | Westbound | Congestion

Location : The M4 westbound between junctions J21 and J22 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 15 July 2025.
Delay : There are currently delays of 10 minutes against expected traffic.