Cardiff Airport says they are not affected by the British Airways IT system problems that are causing disruptions to holiday makers.
One lane is blocked and there is queueing traffic because of debris on the M4 Westbound at J43 (Llandarcy).
There is congestion J42 (Earlswood Roundabout/fabian Way).
Police have reopened the A4226 Port Road West between B4266 in Barry and Waycock Road, Llancarfan after an earlier accident.
But there queues on the A4050 Port Road outbound between Barry Docks Link Road and the A48 at Culver House Cross and on the 4050 Colcot Road Eastbound between Port Road West and the Barry Docks Link Road.
There are delays of up to one hour on Arriva Trains Wales between Llanelli and Milford Haven, and between Llanelli and Pembroke Dock.
It is because of a broken down freight train between Carmarthen and Whitland.
Union claims many towns and cities resembled the "wild west" at weekends because of an over-capacity in the market.Read the full story ›
One lane is closed and there is very slow traffic after an accident on M4 Westbound at J27 (Highcross)
Arriva Trains Wales have confirmed that train services have restarted after an apparent wartime bomb was found near the line in Caerphilly.
Caerphilly's railway station was evacuated after the discovery.
Strong winds on the A55 Britannia Bridge in both directions between J8A (Llanfair P.G.) and J9 (Treborth) mean there is a 30 mph speed limit.
The bridge is open to all vehicles although drivers of high sided vehicles are advised to use the A5 Menai Bridge.
One lane is closed and there is queueing traffic after an accident involving two vehicles on the M4 Westbound between J35 (Pencoed) and J36 (Bridgend / Sarn Service Area).
Emergency services are at the scene of a serious road traffic collision involving a motor car and a heavy goods vehicle on Llanharry Road, Llanharry.
Police say there are a number of people injured.
The road is expected to be completely blocked for several hours.