COMMUTERS are facing long delays on the road this evening following a collision on the M4.

The crash caused one lane to close on the westbound stretch from junction 11 to 12.

Travel time is around 45 minutes and emergency services are on the scene dealing with the multi-vehicle incident.

There is queueing traffic due to accident, which has now been moved to the hard shoulder.

All lanes have been reopened as of 7.30pm.

South Central Ambulance Service was approached for comment.