The A48 and A40 Trunk Roads (St Clears to Cross Hands, Carmarthenshire) (Temporary Traffic Restrictions and Prohibition) Order 2012
The Welsh Ministers, being the traffic authority for the relevant lengths of the London - Fishguard Trunk Roads (A48 and A40) (hereinafter referred to as "the trunk roads"), are satisfied that traffic in specified lengths of the trunk roads should be prohibited and restricted by reason of works proposed to be executed thereon.

The Welsh Ministers, in exercise of the powers conferred upon them by section 14(1) and (4) of the Road Traffic Regulation Act 1984(1) and of all other enabling powers...