M4 eastbound between J4B and J4 | Eastbound | Congestion

January 19, 2026 - 4:01 pm Last updated January 19, 2026 - 5:43 pm

Location : The M4 eastbound between junctions J4B and J4 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 17:45 and 18:00 on 19 January 2026. Delay : There are currently delays of 10 minutes against expected traffic.