M4 westbound between J12 and J13 | Westbound | Congestion

Location : The M4 westbound between junctions J12 and J13 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 08:15 and 08:30 on 27 April 2026.
Delay : There are currently delays of 20 minutes against expected traffic.