M4 westbound between J12 and J13 | Westbound | Congestion

Location : The M4 westbound between junctions J12 and J13 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 17:15 and 17:30 on 14 August 2025. Delay : There are currently delays of 10 minutes against expected traffic. Earlier Reason : Caused by the earlier vehicle tyre change.