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 07:45 and 08:00 on 19 August 2019. Delay : There are currently delays of 10 minutes against expected traffic.