the trunk roads definition
the trunk roads. (“y gefnffordd/cefnffyrdd”) means the A40/A449 Newport to Worcester Trunk Road and the A40 Raglan to Llandovery Trunk Road;
the trunk roads. (“y cefnffyrdd”) means the lengths of the main carriageways, roundabouts and laybys of the A5, A40, A44, A55, A458, A470, A479, A483, A487, A489 and A494 Trunk Roads in the Counties of Isle of Anglesey, Gwynedd, Denbighshire, Wrexham, Conwy, Powys, Ceredigion and Flintshire;