@HighwaysEAST @HeathrowAirport Delays on the #M4 heading out of the city (Westbound from J3) towards @HeathrowAirport have eased. Congestion of 1.5 miles/ delays of approx. 10 minutes remain. *Please note the planned weekend closure in both directions between J3-J4B (#M25) will stay in place until Monday 6am.