Under Ohio law, political yard signs can't be placed in the public right-of-way, which often includes tree lawns. This only applies to roads outside of cities and other municipal areas, however.

Many political yard signs are placed on publicly owned land and rights-of-way in San Juan County. While a relative few citizens continue to display yard signs on their personal property long after ...

Under Ohio law, political yard signs can't be placed in the public right-of-way, which often includes tree lawns. This only applies to roads outside of cities and other municipal areas, however.