S.D. Codified Laws § 31-27-21 (2026)
A railroad and highway crossing, usually referred to as a railroad crossing, includes all that part of a public highway or private road extending from the point where it touches the property line of the right-of-way of the railroad company on one side until it passes over and beyond the railroad company's property line or right-of-way on the opposite side of the right-of-way.
Source: SDC 1939, § 28.1106 (2) as enacted by SL 1945, ch 115 ; SL 2010, ch 145 , § 134.