M4 spur (Heathrow) southbound between M4 and J4A | Westbound | Congestion
Location : The M4 westbound between junctions J4 and J4A . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 08:15 and 08:30 on 6 July 2019. Cause : Road traffic collision. Delay : There are currently delays of 30 minutes against expected traffic.