On the date certified by the Secretary of State as the date on which any highway constructed in pursuance of this Act, other than one to which paragraph 4 above applies, is open for public use, that highway shall be transferred to the Kent County Council.

The Secretary of State may classify any highway proposed to be constructed in pursuance of this Act, other than one to which paragraph 4 above applies, in any manner in which, and for any purposes for which, he could classify that highway under section 12(3) of the 1980 Act.

On the date of its transfer under sub-paragraph (1) above any highway classified under sub-paragraph (2) above shall become a highway classified in the manner and for the purposes in question as if so classified under section 12(3) of the 1980 Act.