The Motor Vehicles (Variation of Speed Limits) Regulations 1984
The Secretary of State for Transport, in exercise of the powers conferred by section 78(2), (3) and (4) of the Road Traffic Regulation Act 1967(a) and now vested in him (b) and of all other enabling powers, and after consultation with representative organisations in accordance with section 107(2) of that Act, hereby makes the following Regulations:—

(a) 1967 c. 76.
(b) S.I. 1970/1681, 1979/571 and 1981/238.