New York Consolidated Laws, Vehicle and Traffic Law - VAT § 1225-a. Driving on sidewalks

(a) to gain access to a public highway, private way or lands or buildings adjacent to such highway or way;

(b) in the conduct of work upon a highway, or upon a private way or lands or buildings adjacent to such highway or way, or

(c) to plow snow or perform any other public service, for hire, or otherwise, which could not otherwise be reasonably and properly performed.