N.Y. Highway Law § 225
4. Machinery and equipment required for work to be done under this article may be rented from other municipal corporations or from private persons, firms and corporations. The commissioner shall fix the hourly rental rates for such machinery and equipment. Such rates may include the services of skilled operators of such machinery or equipment. Rentals from private persons, firms and corporations shall be at rates not in excess of the rates fixed by the commissioner. Rentals from municipal corporations, notwithstanding the provisions of any other law, shall be at the rates fixed by the commissioner. The proceeds of such rentals received by municipal corporations, other than for the services of skilled operators, shall be credited as follows: