R.I. Gen. Laws § 42-13-3: Relations with other governmental agencies.

The department of transportation is hereby authorized to cooperate with the appropriate agencies of the federal government, this state, or other states, and regional agencies in the planning, design, construction, operation, and maintenance of transportation facilities and programs. The department is authorized to apply for and accept funds from federal and regional agencies to carry out any of its functions, and to contract with the federal government and regional agencies concerning the use and disposition of those funds.