M4 fast slip from M4 J4 westbound exit to M4 spur (Heathrow) southbound | Westbound | Congestion
Location : The M4 westbound exit slip at junction J4 for Heathrow. Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 00:00 and 00:15 on 6 July 2019. Delay : There are currently delays of 10 minutes against expected traffic.