The State of New York Department of Transportation
on state routes within the Village and the Village of Geneseo on remaining
streets in the Village shall install and maintain 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 he 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.