SDCL § 31-28-17: Hazardous intersections--Railroad crossings--Warning signs--Violation as misdemeanor.

Except within the limits of a municipality, the department and county commissioners may designate any hazardous intersection as a stop intersection, and designate any railroad crossing as a stop crossing. The intersections and railroad crossings shall be designated by placing a stop sign at the point of stop. The sign to be preceded by a warning sign so as to give warning of stop. Failure to stop at the point of stop of such intersections and railroad crossings is a Class 2 misdemeanor.