A48 road

The A48 is a major road in Britain. It runs south west from Gloucester in England through Blakeney and Lydney down the west bank of the River Severn. Coninuing west along the South Wales coast, it travels via Chepstow, Newport, Cardiff, Cowbridge, Bridgend, Port Talbot, Neath and Pontarddulais before terminating at Carmarthen.