Ohio Rev. Code Ann. § 4501.08

There is hereby created in the state treasury the highway safety federal reimbursement fund. The fund shall consist of money received by the department of public safety from the federal government pursuant to the federal "Highway Safety Act of 1966," 80 Stat. 731 and 733, 23 U.S.C.A. 402 and 403, as amended, and money from other federal sources, including federal money passed through other state agencies. The fund shall be used only for projects that are fully reimbursable by the federal government. All investment earnings of the fund shall be credited to the fund.