There are delays on the A40 near the Polish War Memorial in Northolt due to an earlier collision.
The incident is affecting traffic on the A312 for Northolt with queues back to the target Roundabout.
Earlier this morning, Monday November 7, commuters faced long delays on the A40 into town in Perivale at Medway Underpass.
It was due to a collision involving a car and a motorbike, which blocked one lane at the B456 for Perivale.
On Sunday November 7, motorists faced delays on the M4 due to an accident.
It sparked queues for motorists approaching Hillingdon from Berkshire.
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