414.08 ALTERATION, INJURY, REMOVAL OF TRAFFIC CONTROL DEVICES.
   No person without lawful authority, shall do any of the following:
   (a)   Knowingly move, deface, damage, destroy or otherwise improperly tamper with any traffic control device, any railroad sign or signal, or any inscription, shield or insignia on the device, sign or signal, or any part of the device, sign or signal;
   (b)   Knowingly drive upon or over any freshly applied pavement marking material on the surface of a roadway while the marking material is in an undried condition and is marked by flags, markers, signs or other devices intended to protect it;
   (c)   Knowingly move, damage, destroy or otherwise improperly tamper with a manhole cover.
      (ORC 4511.17)
   (d)   Except as otherwise provided in this section, whoever violates subsections (a) or (c) hereof is guilty of a misdemeanor of the third degree. If a violation of subsections (a) or (c) creates a risk of physical harm to any person, the offender is guilty of a misdemeanor of the first degree. A violation of subsections (a) or (c) hereof that causes serious physical harm to property that is owned, leased or controlled by a State or local authority is a felony of the fourth degree and shall be prosecuted under appropriate State law.