No advertising devices shall be erected or operated upon any private property adjacent to or near any highway which:
Nothing in this section shall be construed to apply to official traffic control devices erected by the public agencies having jurisdiction.
Any advertising device erected, maintained, or operated in violation of this section is hereby declared to be a public nuisance. It shall be the duty of the public agency having jurisdiction to notify the owner of all lights in violation of the provisions of this section, and the public agency may remove such lights if the owner fails or refuses to remove them within a reasonable time after he or she is notified of such violation.
Neb. Rev. Stat. §§ 60-6,128