Versions of See prior versions of a law on LawServer 2023 South Dakota Codified Laws 31-12-50. No maintenance highway open to public access–No duty to maintain or improve 2022 South Dakota Codified Laws 31-12-50. No maintenance highway open to public access–No duty to maintain or improve 2021 South Dakota Codified Laws 31-12-50. No maintenance highway open to public access–No duty to maintain or improve 2019 South Dakota Codified Laws 31-12-50. No maintenance highway open to public access–No duty to maintain or improve