In order to preserve the character of special planning districts (SPD) the development guidelines adopted for the SPD may specify a sign program that allows for signage that otherwise would be prohibited under this chapter, or that prohibits signage that otherwise would be allowed under this chapter. Where the development guidelines pertaining to signs do not address specific criteria, then the provisions of the sign ordinance will prevail. Any sign located within six hundred sixty (660) feet of a freeway or of a route for a freeway which has been adopted by the State Highway Commission must comply with requirements of the California Department of Transportation. (Prior code § 3.12.202)