M4 westbound between J1 and J2 | Westbound | Congestion

Location : The M4 westbound between junctions J1 and J2 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 19:15 and 19:30 on 2 March 2026. Delay : There are currently delays of 10 minutes against expected traffic.