A number of lanes have been closed following a crash on the M4 at Heathrow Airport.
Highways England reported the incident at around 9.20am on Sunday (October 15).
Just one lane is open past the scene at junction 4 for the Heathrow spur road.
Motorists are warned to expect delays and queuing traffic.
It comes just minutes after Highways England and London Fire Brigade dealt with a car fire westbound between junction 2 and junction 3.
Key Events
Accident now cleared: traffic easing
The accident on M4 has now been cleared and traffic is returning to normal. Good luck on your travels today.
All lanes have been re-opened
Traffic is still queuing due to the earlier accident but all lanes have now re-opened.
What we know so far
Three lanes are closed and traffic is queuing due to a serious accident involving two cars.
The accident is southbound, M4 between J4 A408 (Heathrow Spur / Uxbridge) and J4A A4 (Heathrow Spur Road).
Lanes two, three and four (of four) are closed.
It comes just minutes after Highways England and London Fire Brigade dealt with a car fire westbound between junction 2 and junction 3.
Two cars involved on M4 between J4 A408
Here’s the latest from our traffic and travel service:
The accident is southbound, very near J4A into Heathrow. Lanes two, three and four (of four) are closed.
Several fire engines are at the scene
Highways England are warning motorists to expect delays and queuing traffic. Several fire engines are at the scene and only one lane is open.
First picture from the scene
Highways England has announced that three lanes are currently closed due to a collision on M4 spur road, J4 into Heathrow Airport.
Only one lane open due to a collision on M4
A serious accident involving two cars on M4 between J4 A408 (Heathrow Spur / Uxbridge) and J4A A4 (Heathrow Spur Road).
Three lanes are currently closed and traffic is queuing.
It comes just minutes after Highways England and London Fire Brigade dealt with a car fire westbound between junction 2 and junction 3.