45Classification of traffic for purposes of special roads
In section 8 of the [1984 c. 54.] Roads (Scotland) Act 1984 (classification of traffic for purposes of special roads), in subsection (3) there shall be omitted the words from “and where” to the end (which relate to the effect of a variation order on existing schemes) and after that subsection there shall be inserted—
“(4)A variation order may contain provision applying the variations made by the order to existing schemes (whether made by the Secretary of State or a local roads authority); and in the absence of such provision a variation order does not affect the classes of traffic prescribed in an existing scheme.
(5)In subsection (4) above an “existing scheme” means a scheme under section 7 made before the order comes into operation.”.