Scenic highway advertising.

1. The department of transportation shall have the authority to adopt rules to control the erection of new advertising devices on a highway designated as a scenic highway or scenic byway in order to comply with federal requirements concerning the implementation of a scenic byways program. 2. Notwithstanding subsection 1 , if an advertising device was lawfully erected along an interstate highway within the corporate limits of a city prior to designation of the highway as a scenic byway and, after such designation occurs, the advertising device is displaced due to the reconstruction, improvement, or relocation of the highway, the advertising device may be relocated to a location determined by the department to be substantially the same location, subject to approval by the federal highway administration, and shall not be considered an erection of a new advertising device, if all of the following apply: a. The location conforms to the requirements of chapters 306B and 306C . b. The materials, number and type of supports, lighting, face size, and height of the advertising device remain the same. 95 Acts, ch 135, §4 ; 2013 Acts, ch 140, §22 Referred to in §306C.11