N.Y. Transp. Law § 240
The functions and powers possessed by and the obligations and duties of the public service commission and the department of public service pertaining to the regulation of common carriers, bus companies, contract carriers of passengers by motor vehicle and contract carriers of property by motor vehicle, including such commission and department's investigatory and punitive powers relative thereto, and to its transportation division and the functions and powers possessed by and the obligations and duties of such commission and department relating to grade crossing elimination projects and the jurisdiction of such commission and department over highway-railroad grade crossings and separation structures delegated to either of them by the railroad law or any other law are hereby transferred to the commissioner and the department.
N.Y. Transp. Law § 240