All roads delineated on and included in the subject of Land Titles Office Plans numbered 6412 to 6424 inclusive and 6531, and diagram No. 18217, together with the roads described in the Third Schedule to this Act are dedicated as public roads as from the date of approval by the Surveyor General or other person appointed by the Governor of the plans, notwithstanding anything contained in the provisions of either the Municipal Corporations Act, 1906-1953, or the Road Districts Act, 1919-1951, relating to the roads.