S.D. Codified Laws § 32-33-1.1 (2026)
A law enforcement officer arriving at the scene of a traffic accident may, based on probable cause, arrest or issue a summons to any person believed to have caused the accident by violating a criminal provision of this title. Any person assigned by a law enforcement agency to investigate traffic accidents may, based on probable cause, issue a summons to any person believed to have caused the accident by violating a criminal provision of this title.
Source: SL 1978, ch 238 ; SL 1998, ch 197 , § 1.