S.D. Codified Laws § 32-29-4 (2026)
If any person driving a vehicle approaches a railroad grade crossing and a law enforcement officer or a clearly visible or audible signal gives warning of the immediate approach of a railway train or car or other on-track equipment, the driver shall bring the vehicle to a complete stop within fifty feet but not less than fifteen feet from the nearest rail of the railroad and may not proceed until the driver can do so safely. A violation of this section is a Class 2 misdemeanor.
Source: SDC 1939, § 44.0304; SL 1970, ch 175 , § 26; SL 1989, ch 255 , § 197; SL 2013, ch 149 , § 1; SL 2017, ch 143 , § 1.