No building, structure or other improvement, whether publicly or privately owned, shall be erected, altered, moved in or placed within the official plan lines of streets and highways as adopted by this chapter except for signs as specified in Chapter 20.58, Signs; and no permit or approval in any other manner therefore shall be issued by any official or employee of the city.
Any permit or approval issued in violation of this chapter, unless approved by proper procedure for a variance as outlined in this title, shall be null and void. This section shall not apply to gardens or to other permitted front yard uses.
(Ord. 87-11-997 § 5 (part))