A proposed discontinuance of a road or part of a road is exempt for the purposes of section 12(11)(a) of the Act—
(a) if—
(i) the road is not a public road; and
(ii) the road—
(A) has never been a public road; or
(B) has not been a public road for a period of 3 years; and
(iii) no existing access to any land will be denied; or
(b) if the road is an unused road within the meaning of the Land Act 1958 ; or
(c) if it is proposed to discontinue part of the road and—
(i) no existing access to any land will be denied; and
(ii) there is no non-road infrastructure, of which the coordinating road authority is aware, installed in, on, under or over the road or the part of the road to be discontinued.