S.D. Codified Laws § 32-26-40
Current with legislation signed by the governor on or before 3/6/2024
The driver of a motor vehicle may not follow another vehicle more closely than is reasonable and prudent, having due regard for the speed of such vehicles and the traffic upon and condition of the highway. A violation of this section is a Class 2 misdemeanor.
SDCL 32-26-40