UPDATE: 8.58am

Traffic has now cleared on the A48M westbound between J29 at Castleton and J29A St Mellons.

UPDATE: 8.57am

Traffic has now cleared on the M4 eastbound between J28 Tredegar Park and J26 Malpas.

UPDATE: 7.55am

Delays are possible on the A48M westbound between J29 at Castleton and J29A St Mellons.

UPDATE: 7.53am

Delays are possible on the M4 westbound between J24 at the Coldra to J26 at Malpas due to congestion.

UPDATE: 7.30am

Traffic is heavy on the M4 eastbound between J26 at Malpas and J27 at Highcross.

UPDATE: 7.30am

Traffic is flowing freely on the Town Bridge in Newport.

UPDATE: 7.01am

Traffic has now cleared in both directions on the M4 between J24 at the Coldra and J28 Tredegar Park.

UPDATE: 6.54am

Delays are possible on the M4 eastbound between  J28 Tredegar Park and J26 at Malpas due to congestion.

UPDATE: 6.40am

Traffic is flowing freely on the Town Bridge in Newport.

UPDATE: 6.18am

Be careful on the roads this morning. It has been raining and Traffic Wales issued a warning about poor driving conditions on the M4 in Newport this morning.