The Superintendent of Highways shall provide for the installation and maintenance of traffic control devices when and as required under the provisions of this Part
1, to make effective the provisions of this Part
1, and may install and maintain such additional traffic control devices as the Town Board may deem necessary to regulate, warn or guide traffic under the Vehicle and Traffic Law of the State of New York, subject to the provisions of §§ 1682 and 1684 of that law.