S.D. Codified Laws § 31-8-12 (2026)
No municipal street, county or state highway, or other public way may be opened into or connected with any controlled-access facility without the consent and previous approval of the highway authority in the state, county, or municipality having jurisdiction over the controlled-access facility. The consent and approval shall be given only if the public interest is served thereby.
Source: SL 1953, ch 155 , § 7; SDC Supp 1960, § 28.09A07; SL 2010, ch 145 , § 73.