link road from M25 J15 anti-clockwise to M4 J4B eastbound | Eastbound | Congestion

Location : The M4 eastbound entry slip at junction J4B from the M25 anti-clockwise. Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 18:00 and 18:15 on 19 January 2026. Delay : There are currently delays of 10 minutes against expected traffic.