§ 46-984. Lighting and color.
Signs shall not resemble, imitate or approximate the shape, size, form or color of railroad or traffic signs, signals or devices. Signs shall not obstruct or interfere with the effectiveness of railroad or traffic signs, signals or devices. Signs shall not be erected, relocated or maintained so as to prevent free ingress to or egress from any door, window or fire escape; and no sign shall be attached to a standpipe or fire escape. Signs shall not be placed in such a way as to cause glare or impair driver visibility upon public ways. Other than public traffic control signs, signs shall not have elements that are flashing, scintillating, blinking, moving, rotating or pulsating. Signs that include electronic message boards and those that give cyclical time and temperature information shall not be considered flashing or pulsating signs. Bare light bulbs are not permitted. All illuminated signs shall meet the illumination standards set forth in section 46-955. Signs in residential districts shall not be internally illuminated.