Ohio Rev. Code Ann. § 4511.09
The department of transportation shall adopt a manual for a uniform system of traffic control devices, including signs denoting names of streets and highways, for use upon any street, highway, bikeway, or site roadway open to public travel within this state. Such uniform system shall correlate with, and so far as possible conform to, the system approved by the federal highway administration.
Last updated April 30, 2025 at 10:42 AM