N.Y. VIL Law § 6-618

§ 6-618 Streets on boundary lines. Whenever a street is on a line\nbetween two villages, or between a village and a city or town, the\nhighway or street commissioners of such adjoining municipalities shall,\non or before the first day of May in each year, meet at a time and place\nto be determined by them, and divide such street. The officers present\nat such meeting shall allot a part of the street to each municipality in\nsuch manner that the labor and expense of keeping such street in repair\nmay be equal as nearly as practicable. The officers making such division\nshall, within ten days thereafter, file in the office of the clerk of\neach municipality a certificate showing the part of such street allotted\nto each.\n