The provisions of this chapter shall not be so construed as to limit or interfere with the development or use of public uses, buildings or structures used for governmental or municipal purposes, or with the construction, installation, operation and maintenance for public utility purposes of water and gas pipes, mains and conduits, electric light and electric power transmission and distribution lines, telephone and telegraph lines, sewers and sewer mains and incidental appurtenances or with any highway or railroad right-of-way existing hereafter authorized by the Village of Rouses Point, the County of Clinton or the State of New York.