For the purposes of this chapter, a "commercial or industrial activity" is an activity generally recognized as commercial or industrial by zoning authorities in the state except outdoor advertising structures; agricultural use including forestry, ranching, grazing, and farming; wayside and fresh produce stands; transient or temporary activities; activities conducted in a building principally used as a residence; activities more than six hundred sixty feet from the nearest edge of the right - of - way; activities not visible from the main traveled way; and railroad tracks and minor sidings. Source: SL 1986, ch 240 , § 11.