S.D. Codified Laws § 31-8-12
Current with legislation signed by the governor on or before 3/6/2024
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.
SDCL 31-8-12