 There are no motorways in Clwyd . The A55 dual carriageway road passes from Chester through St Asaph to the North Wales coast at Abergele , after which it runs parallel to the railway line through Conway and Bangor to terminate at Holyhead . The A548 passes from Chester to Abergele through Deeside and along the coast , before leaving the coast and terminating at Llanrwst . The main road from London is the A5 which enters Clwyd at Chirk and passes northwestwards through Llangollen , Corwen and Betws @-@ y @-@ Coed to join the A55 and terminate at Bangor . The A543 crosses the Denbigh Moors from southeast to northwest , and the A525 links Ruthin with St Asaph . There are local bus services between the main centres of population . Several services by Arriva Wales run along the main coast road between Chester and Holyhead , linking the coastal resorts . Other routes include ; Llandudno to Llanrwst and Betws @-@ y @-@ Coed via Conwy and Dolgarrog ; Rhyl to Denbigh ; Wrexham to Chester ; and Wrexham to Mold . 
