UPDATE: 9.45am

THE A48M is now clear westbound from junction 29 (Castleton) to junction 29A (St Mellons).

UPDATE: 9.42am

THE M4 is now clear eastbound from junction 28 (Tredegar Park) to junction 26 (Malpas).

UPDATE: 9.22am

THE M4 westbound between junction 24 (Coldra) and junction 26 (Malpas) is now clear following earlier congestion.

UPDATE: 9.19am

CONGESTION is reported on the A48M westbound between junction 29 (Castleton) and junction 29A (St Mellons), and delays are possible.

UPDATE: 8.11am

DELAYS are possible on the M4 westbound between junction 24 (Coldra) and junction 26 (Malpas) due to congestion.

UPDATE: 7.35am

CONGESTION is reported on the A4047 King Street, Brynmawr, in connection with roadworks on the A465 Heads of the Valleys Road.

TRAFFIC UPDATE: 7.14am

CONGESTION is reported on the M4, eastbound from junction 28 at Tredegar Park to junction 26 for Malpas, and delays are possible.