Whenever the managers of any agricultural fair, or of any exhibition of the products of the soil or mine or of manufactures, machinery or works of art, who are authorized by any law of this state, or of the United States, to hold such fair or exhibition, shall deem it necessary for the proper holding or protection of such fair or exhibition to occupy, use and close up any portion of a public street or public highway, except of a railway or canal, they shall be, and are hereby authorized, to present a petition to the court of common pleas of the county in which such public street or public highway may be located, setting forth that the use, occupation and closing up for a temporary period are needed for the proper holding and protection of a fair or exhibition; and upon the hearing of such petition if the court shall deem the prayer of such petition to be reasonable, and that the granting thereof will not cause any serious public inconvenience, the said court may order and direct such public street or public highway to be closed, and the use and occupation thereof to be granted to the petitioners for a term not exceeding six months for the holding and protection of the fair or exhibition named in such petition: Provided, That when the public street or public highway designated in such petition, shall be located in any city or borough, the consent of the authorities of said city or borough shall be given for such use, occupation and closing of the public street or public highway, and be duly certified to the court along with such petition.