Tuhia he tomokanga mō tēnei wāhanga - Ko te ara o nāianei o te A470 i puta mai i tētahi pakanga i ngā tau 1970 e te "Western Mail" mō tētahi ara kotahi e hono ana i Te Tai Tokerau me Te Tonga o Wales, i mua i te pōtitanga o te whakakorenga o Wales i te tau 1979
He aha? I angitu, a i te tau 1978, i matapakihia e te Tari o Wales tetahi huarahi pea mo te huarahi i te pokapū o te whenua, i whakatinanahia i te tau e whai ake nei.