The main road on the coast of South Wales is the M4 motorway. It links Wales to southern England, and London. It also connects the Welsh cities of Newport, Cardiff and Swansea. The A55 road is the main road along the north Wales coast, and connects Holyhead and Bangor with Wrexham and Flintshire. It also links to north-west England, including Chester. The main road between North and South Wales is the A470 road, which goes from the capital Cardiff to Llandudno.