No sign or other advertising structures regulated by this chapter shall be erected at the intersection of any street in such a manner as to obstruct free and clear vision or, at any location where by reason of the position, shape, color or illumination, it may interfere with, obstruct the view of or be confused with any authorized traffic sign, signal, device or flashing beacons; or which makes use of the words "stop," "look," "drive-in," "danger" or any other words, phrase, symbol or character in such a manner as to interfere with, mislead or confuse traffic.