M4 westbound between J3 and J4 | Westbound | Congestion

Location : The M4 westbound between junctions J3 and J4 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 05:15 and 05:30 on 28 June 2021. Cause : Road traffic collision. Delay : There are currently delays of 30 minutes against expected traffic.