331.39  OPERATION ON PATHS SET ASIDE FOR BICYCLES.
   (a)   No person shall operate a motor vehicle, snowmobile, or all-purpose vehicle upon any path set aside for the exclusive use of bicycles, when an appropriate sign giving notice of such use is posted on the path.
   (b)   Nothing in this section shall be construed to affect any rule of the Director of Natural Resources governing the operation of motor vehicles, snowmobiles, all-purpose vehicles, and bicycles on lands under the Director's jurisdiction.
(ORC 4511.713)
Penalty - see Sections 307.01 and 307.02