The Llandeilo—Carmarthen Trunk Road (Penrock Bends Diversion) Order 1979
The Secretary of State for Wales makes this Order in exercise of powers conferred by section 7 of the Highways Act 1959(a), and now vested in him(b), and of all other enabling powers:-

(a) 1959 c. 25.  (b) S.I. 1965/319.