20.58.090   Outdoor advertising structures.
   Outdoor advertising structures with or without electronic message centers, unless otherwise specified, may be permitted in the CG, commercial general district subject to obtaining a conditional use permit consistent with Chapter 20.20. The standards set forth below shall apply to outdoor advertising structures and electronic message centers:
   A.   Outdoor advertising structures shall not be placed such that the structure or its illumination interferes with the effectiveness of, or obscure, obstruct or otherwise physically interfere with any official traffic sign, device, or signal; nor shall any outdoor advertising structure include or be illuminated by flashing, intermittent, or moving lights except for electronic message centers; nor shall any outdoor advertising structure cause beams or rays of light to be directed at any roadway or freeway if the light is of such intensity or brilliance so as to cause glare or to impair the vision of any driver, or to interfere with any driver's operation of a motor vehicle.
   B.   Outdoor advertising structures shall not be placed within five hundred feet of any property zoned for residential purposes.
   C.   Electronic message centers shall not be placed within one thousand feet of another electronic message center on the same side of the freeway.
   D.   Electronic message centers shall not display any message or graphic for less than four seconds, nor may the interval between messages be less than one second.
(Ord. 93-10-1169 § 2 (part))