A. Prohibition. No sign or sign support structure shall be erected, constructed, painted or maintained, and no permit shall be issued, if the sign or sign support structure, because of its location, size, nature or type, constitutes a hazard to the safe and efficient operation of vehicles upon a street or a freeway, or which creates a condition that endangers the safety of persons or property.
B. Hazard Referral. The Department of Building and Safety shall refer the following to the Department of Transportation for hazard evaluation and determination prior to the issuance of a building permit:
1. All permit applications for signs that will be visible from and are located within 500 feet of the main traveled roadway of a freeway; and
2. All other permit applications and any signs that are determined by the Department of Building and Safety to have a potential for hazard.
C. Hazard Determination. The Department of Transportation shall return to the Department of Building and Safety each application so referred to it together with a statement of its determination. If the Department of Transportation determines that the sign or sign support structure will constitute a hazard, the Department of Building and Safety shall deny the application for permit.