5In section 39(1) of the [1950 c. 39.] Public Utilities Street Works Act 1950—
(a)in the definition of " highway authority " and " local highway authority ", for " the Highways Act 1959 " substitute " the Highways Act 1980 ";
(b)in the definition of " road purposes", for " subsection (1) of section two hundred and ninety-five of the Highways Act 1959 as amended by the Highways Act 1971 " substitute " section 329(1) of the Highways Act 1980 ".