No billboard or billboard signs shall be permitted. No sign otherwise lawful under this chapter shall be prohibited because of this section.

No sign shall be placed or located or displayed upon any sidewalk or area between sidewalk and curb.

No roof sign often known also as "sky sign" shall be permitted. No sign otherwise lawful under this section shall be prohibited because of this subsection.

No sign projecting on or over a sidewalk shall be permitted.

Except as otherwise specifically provided in this section, no freestanding signs shall be permitted.

No signs shall be erected or painted or composed of fluorescent, phosphorescent or similar material.

No sign shall be, in whole or in part, moving, mobile or revolving, flashing or changing colors.

No strings or streamers of flags, pennants, spinners or other similar devices strung across, upon, over or along any premises or building, whether or not as a part of any sign, shall be allowed within any zone, except those which shall be specifically exempted under Subsection 34-17.10 of this section.

No neon signs may be installed or placed in or upon any property in any zone.

The portion of a sign identifying a business use shall be removed within 30 days after the business ceases operation on the premises.

Lighting used to primarily illuminate a sign, whether internal or external, shall be extinguished by 11:00 p.m.