No sign shall be permitted which is placed on any curb, sidewalk, post, pole, electrolier, hydrant, bridge, tree or other surface located on public property or over or across any street or public thoroughfare except as may otherwise expressly be authorized by this chapter or by written agreement approved by the County Board, after determining that said sign is consistent with the intent of this chapter.
(Ord. passed 3-13-2012) Penalty, see § 155.999