A478 road

The A478 road is a major road in Wales. The route is from its junction with the A487 at Cardigan, Ceredigion, to Tenby, Pembrokeshire. It crosses the Preseli Hills and winds through farmland for almost all of its route. The road just touches the very west of Carmarthenshire.
A road between Cardigan and Narberth was recorded between 1536 and 1642. The 1555 Highways Act made parishes responsible for the roads that crossed them. Most were unsuitable for wheeled traffic. Turnpike trusts were set up in the late 18th and early 19th centuries to manage road maintenance; at least part of this road came under the Whitland Trust. However, by the mid-19th century, some trusts were badly managed or abused, exacerbating rural poverty and in part leading to the Rebecca riots in the 1840s, some of the earliest of which were on this road, particularly at Efailwen in the Cilymaenllwyd Community. The trusts were reformed in 1844.

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