The provisions of sections 13a-8 to 13a-11, inclusive, may be adopted, in the manner prescribed in section 9-369, at a regular or special meeting in any town. The selectmen of any town, upon the petition of five per cent of its electors, shall include in the warning of such regular or special meeting notice that the question of the approval or disapproval of said sections shall be voted upon. The designation of such question on the voting tabulator ballot shall be “Shall a town Superintendent of Highways and Bridges be appointed?”. If, upon the official determination of the result of such vote, it appears that a majority of all the votes upon said question are in approval of said question, said sections shall take effect from the date of such meeting, and a certificate of such approval signed by the town clerk shall be transmitted to the Secretary of the State, who shall record the same.