Ohio Rev. Code § 5527.03: Use of funds for lighting and safety purposes.

Funds derived from the state's share of the motor vehicle fuel taxes and the highway use tax may be used areas, and elsewhere on state highways where in the discretion by the director of transportation for the purpose of lighting limited access interchanges, roadway parks and rest of the director lighting is needed for informational purposes or to alert the traveling public of unusual roadway hazards.