M4 westbound between J16 and J17 | Westbound | Congestion

Location : The M4 westbound between junctions J16 and J17 .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 16:00 and 16:15 on 22 February 2026.
Delay : There are currently delays of 20 minutes against expected traffic.