The following signs are prohibited:
(A) Signs that, by reason of position, shape or color would interfere with the proper function of a traffic sign or signal;
(B) Signs within the public right-of-way or easement, except for government installed signs;
(C) Signs that resemble any official marker erected by a governmental agency or that display such words as “stop” or “danger”;
(D) Flashing signs including indoor signs which are visible from the public streets;
(E) With the exception of search lights which may be approved in conjunction with city-wide celebrations, no strobe, rotating beam, beacon or flashing illumination shall be used in connection with any display;
(F) Signs or sign structures that obstruct any window, door, fire escape, stairway or opening intended to provide ingress or egress for any building structure. With reference to commercial and industrial districts, signs painted on the inside glass portion of windows or doors are permitted;
(G) Banners, pennants, streamers, balloons, stringers or similar attention-attracting devices, unless approved in conjunction with a city-wide celebration or activity, such as the Fools Five race, Lewiston Heartland Days and the like;
(H) Sign posters that are tacked or posted on trees, fences, utility poles or other such supports;
(I) Portable signs, except as a conditional use in B-1 or B-2 District and subject to annual review;
(J) No sign shall restrict the line of sight from streets, highways or access roads adjacent to the premises on which it is located, for purposes of public safety patrol, and observation;
(K) No sign shall restrict or otherwise interfere with the line of sight from street, highways or access roads to existing business signs on adjacent properties; provided such existing signs are otherwise in compliance with this chapter;
(L) No sign shall be allowed which would create a traffic hazard at roads, streets or intersections adjacent to the lot on which the sign is located; or which attracts attention of drivers approaching busy or dangerous intersections;
(M) All other signs not expressly permitted by this chapter; and
(N) Notwithstanding anything to the contrary herein, nothing contained in this or any other provisions regulating signs shall discriminate between different message content alone. All sign regulations shall be enforced equally regardless of content of the message upon the sign. Nothing herein shall prohibit enforcement of performance standards intended to prevent nuisances caused by signs, including lighting visible in residential areas, traffic distraction or interference with access to solar energy.
(Prior Code, § 913.02) Penalty, see § 10.99