The Superintendent of Highways shall provide
for the installation and maintenance of traffic control devices when
and as required under the provisions of this chapter, to make effective
the provisions of this chapter, 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.