No open ditch may be constructed within the limits of any public highway unless the topography makes such construction advisable. If construction is advisable, the ditch shall be located at a sufficient distance from the center of the highway to permit construction of a highway of standard width.
S.D. Codified Laws § 46A-10A-72
Open ditches restricted along highways
Source: SL 1985, ch 362, § 73.
Official source: South Dakota Legislature. Reproduced from public-domain South Dakota statutes; confirm against the official source for the current text. Not legal advice.