Traffic Wales says there is a five-mile queue of traffic waiting to leave the M4 to use the diversions with vehicles backing up to Cardiff Gate, J30.

BBC: Queuing traffic on the M4 between J28-29 on Friday morning

Traffic Wales said during the closure there was a five-mile queue of traffic waiting to leave the M4 to use the diversions with vehicles backing up to Cardiff Gate, J30.

BBC: Heavy traffic on the M4 between J28-29 on Friday morning