There are severe delays on the A312 The Parkway in Hayes southbound between the Ossie Garvin Roundabout and the M4 J3 junction, because of accident investigation work. 

Parts of the road have been closed and the congestion is stretching back to the White Hart Roundabout.

The accident occurred just after 5.30am this morning and involved three cars and a lorry.

Road repair works are still continuing and long delays are expected.