N.Y. Veh. & Traf. Law § 1622

§ 1622. Speed limits on county roads and town highways. The department\nof transportation upon the request of the county superintendent of\nhighways of a county and the town board of the town or towns affected\nwith respect to county roads and town highways in such town or towns\noutside of cities or villages, may by order, rule or regulation:\n 1. Establish maximum speed limits at which vehicles may proceed on or\nalong such highways higher or lower than the fifty-five miles per hour\nstatutory maximum speed limit. No such limit shall be established at\nless than twenty-five miles per hour, except that school speed limits\nmay be established at not less than fifteen miles per hour, for a\ndistance not to exceed one thousand three hundred twenty feet, on a\nhighway passing a school building, entrance or exit of a school abutting\non the highway.\n 2. Establish maximum speed limits at which vehicles may proceed on or\nalong all such highways lying within an area or areas as designated by a\ndescription of the boundaries of such area or areas submitted by the\ncounty superintendent of highways of a county and the town board of the\ntown or towns affected lower than fifty-five miles per hour statutory\nmaximum speed limit. No such limit shall be established at less than\nthirty miles per hour.\n