M4 westbound between J17 and J18 | Westbound | Congestion

Location : The M4 westbound between junctions J17 and J18 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 20:30 and 20:45 on 3 July 2025.
Delay : There are currently delays of 30 minutes against expected traffic.