Traffic is heavier than normal on the A48 Southern Distributor Road Eastbound between the M4 at J28 / A4072 (Tredegar Park) and the M4 at J24 / A449 (Coldra).
The road's now cleared and traffic is easing after an accident on the A48 Eastbound between the M4 J28 / A4072 (Tredegar Park) and the A48 / B4239 / B4237 Cardiff Road (Ebbw Bridge Roundabout).
The A48 Cowbridge By-Pass Westbound is closed because of hazardous driving conditions between Primrose Hill and Gibbet's Hill.
There's very slow traffic on the A48 Docks Way Westbound between the A48 / B4239 / B4237 Cardiff Road (Pont Ebbw Roundabout) and the M4 J28 / A4072 (Tredegar Park).
Traffic has returned to normal and the road has been cleared after an accident on the A48 at the M4 J28 / A4072 (Tredegar Park).
Traffic has returned to normal and the road's cleared after an accident on the A48 between the A4226 (Bonvilston) and Brook Lane (St Nicholas).
There's fog and reduced visibility on the A48 around the A476 Llandeilo Road (Heol Llandeilo) / Heol Stanllyd Cross Hands Roundabout. Approach with care.
There are reports of the A48 Spytty Road (Southern Distributor Road) being closed both ways after an accident between Nash Road and Lee Way / Queensway Meadows.
There's very slow traffic after an accident on the A48 Eastern Avenue Westbound between the A4232 (Pontprennau) and the A4161 Southern Way (Llanedeyrn Interchange), there's congestion on the A48M to the M4 at J29 (A48m).
One lane's blocked because of a broken down car on the A48 Westbound before A484 / A40 (Pensarn Roundabout).