diagram No. RM24 in Schedule 2 thereto ) but not by these Regulations and if it then complies with the provisions relating thereto by virtue of the Regulations of 1957, shall so long as it continues to comply with the said provisions as though the same had not been revoked be treated as if prescribed by these Regulations.
4.—(1) In these Regulations the following expressions have the meanings hereby respectively assigned to them:
"hours of darkness" means the time between half-an-hour after sunset and half-an-hour before sunrise;
"motorway " means a special road—
(a) which in England or Wales ( save as otherwise provided by or under regulations under section 37 of the Road Traffic Act 1960) can only be used by traffic of Class I or II of the classes of traffic set out in Schedule 4 to the Highways Act 1959(a)[1], as amended(b)[2]; and
(b) which in Scotland can only be used by traffic of Class I or II of the classes of traffic set out in Schedule 2 to the Special Roads Act 1949(c)[3], as amended(d)[4];
"primary route" means a route, not being a route formed by any part of a motorway, formed
(a) by a length of trunk road,
(b) by a length of trunk road together with another road, not being a trunk road, or
(c) by a length of road, not being a trunk road, being a route
(i) in England or Wales as respects which in the case at (a) the Minister is of the opinion, and as respects which in the cases at ( b) and (c) the Minister after consultation with the highway authority for the road, not being a trunk road, is of the opinion that it provides the most satisfactory route for through traffic between two or more places of traffic importance, and
(ii) in Scotland as respects which in the case at (a) the Secretary of State is of the opinion, and as respects which in the cases at (b) and (c) the Secretary ofState after consultation with the highway authority for the road, not being a trunk road, is of the opinion that it provides the most satisfactory route for through traffic between two or more places of traffic importance;
"non-primary route" means a road, not being a primary route or a motorway or part of a primary route or a motorway;
"temporary statutory provision" means a provision having effect under section 36 of the Road Traffic Act 1960 (which provides for traffic regulation in consequence of the execution of works) or section 28 of the Road Traffic Act 1962 (which relates to experimental traffic schemes) or contained in section 53 of the Road Traffic Act 1960 (which relates to traffic signs for giving effect to local traffic regulations), section 54 of' that Act (which relates to traffic signs for dealing with traffic congestion and danger) or section 55 of that Act ( which relates to traffic signs in connection with experimental traffic schemes in London ).
(2) Any reference in these Regulations to any enactment shall be construed as a reference to that enactment as amended by any subsequent enactment.
