The Department of transportation shall have supervision and control, in the construction, maintenance and improvement of all highways and bridges constructed or to be constructed by the state on any Indian reservations, and may make and enforce such reasonable orders, rules and regulations concerning their use as it shall deem necessary. The cost of such maintenance and construction and improvement, and removal of snow therefrom, shall be paid by the state out of any moneys appropriated for the maintenance, construction and improvement of highways.
New York Legal Code