Ohio Rev. Code Ann. § 4509.71

Sections 4509.01 to 4509.79, except section 4509.06, of the Revised Code do not apply to any motor vehicle owned and operated by the United States, this state, any political subdivision of this state, any municipal corporation therein or any private volunteer fire company serving a political subdivision of the state. Section 4509.06 of the Revised Code does not apply to any vehicle owned and operated by any publicly owned urban transportation system.