The department may construct grade separations at intersections with other public roads and to adjust the lines and grades of such other roads so as to accommodate the design of toll-free roads of the national system of interstate highways.
S.D. Codified Laws § 31-7-7
Grade separations at intersections with other roads
Source: SL 1955, ch 104, § 3; SDC Supp 1960, § 28.0233 (4); SL 2010, ch 145, § 54.
Official source: South Dakota Legislature. Reproduced from public-domain South Dakota statutes; confirm against the official source for the current text. Not legal advice.