19Certain special roads and other highways to become trunk roads
(1)A special road to be provided by the Minister in pursuance of a scheme under section 16 above shall, except so far as it is provided by means of the appropriation or transfer of a highway, become a trunk road on such date as may be specified in the scheme.
(2)A highway (not being a trunk road) which, by means of an order under section 18 above, is appropriated as, or as part of, a special road to be provided by the Minister, and a highway which, by means of such an order, is transferred to the Minister, shall become a trunk road on the date on which it is so appropriated or is so transferred, as the case may be.