S.D. Codified Laws § 31-30-4

Any junk yard lawfully in existence on February 14, 1966, which is within one thousand feet of the nearest edge of the right-of-way and visible from the main-traveled way of any highway on the interstate or primary system, shall be screened, if feasible, by the Department of Transportation or by the owner under the rules adopted by the Transportation Commission pursuant to chapter 1-26, at locations on the highway right-of-way or in areas acquired for such purposes outside the right-of-way so as to be obscured from the main-traveled way of such highways.