M4 J4 westbound access | Westbound | Congestion

March 9, 2026 - 4:55 pm Last updated March 9, 2026 - 5:17 pm

Location : The M4 westbound entry slip at junction J4 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 17:15 and 17:30 on 9 March 2026.