S.D. Codified Laws § 31-27-11 (2026)
If no right-of-way is needed for the building of a subway or overhead crossing on a state or county highway, the state or county shall do the necessary grading, approaching, and leading from the overhead or subway undercrossing.
Source: SL 1919, ch 333 , § 62; SDC 1939, § 28.1103 (5); SL 2010, ch 145 , § 130.