Ohio Rev. Code § 4561.08
The department of transportation may cooperate with any government agency, in the acquisition, establishment, construction, enlargement, improvement, equipment, or operation of airports, landing fields, and other air navigation facilities in this state, and may comply with the laws of the United States and any regulations made thereunder with respect to the expenditure of federal funds for or in connection with such airports, landing fields, and other air navigation facilities.
The department may accept, receive, and receipt for federal funds, upon such terms as are prescribed by the laws of the United States and any regulations made thereunder, on behalf of the state, and may treat similarly, for the state or as agent for any regional airport authority, county, or municipal corporation thereof, other funds, public or private, for the acquisition, establishment, construction, enlargement, improvement, equipment, or operation of airports, landing fields, and other air navigation facilities, whether such work is to be done severally by the state or by a political subdivision thereof or by a regional airport authority, or by the state and a regional airport authority or one or more such political subdivisions jointly, or by any two or more such political subdivisions jointly, or by a regional airport authority and any one or more such political subdivisions jointly. The department may also act as agent of any regional airport authority, county, or municipal corporation of the state in any other matter connected with the acquisition, establishment, construction, enlargement, improvement, equipment, or operation of airports, landing fields, and other air navigation facilities. In the discharge of its duties as such agent, the department may use all its powers in the same manner as when acting for and in behalf of the state.
The department may approve or disapprove all contracts and agreements for the acquisition, establishment, construction, enlargement, improvement, equipment, or operation of airports, landing fields, and other air navigation facilities insofar as its rules require.
The department may advise and cooperate with any regional airport authority or political subdivision of this state or of any other state, when it is acting jointly with a regional airport authority or subdivision of this state, in all matters pertaining to the location, acquisition, establishment, construction, enlargement, improvement, equipment, or operation of airports, landing fields, and other air navigation facilities.
All money accepted by the department pursuant to sections 4561.01 to 4561.151 of the Revised Code shall be deposited in the state treasury to the credit of the highway operating fund. All such moneys shall be expended in accordance with the terms imposed by the United States in making the grants thereof.
R.C. § 4561.08