M4 fast slip from M4 J4 westbound exit to M4 spur (Heathrow) southbound | Westbound | Congestion

Location : The M4 westbound between junctions J4 for Heathrow and J4A .
Reason : Congestion.
Status : Currently Active.
Return To Normal : Normal traffic conditions are expected between 08:45 and 09:00 on 6 July 2019.
Delay : There are currently delays of 15 minutes against expected traffic.