M4 westbound at the Reading services between J11 and J12 | Westbound | Congestion

Location : The M4 westbound between junctions J11 and J12 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 13:15 and 13:30 on 9 February 2026. Delay : There are currently delays of 10 minutes against expected traffic.