Versions of See prior versions of a law on LawServer 2023 South Dakota Codified Laws 9-31-1. General authority to regulate use of motor vehicles, bicycles, trailers, and roadmachinery 2022 South Dakota Codified Laws 9-31-1. General authority to regulate use of motor vehicles, bicycles, trailers, and roadmachinery 2021 South Dakota Codified Laws 9-31-1. General authority to regulate use of motor vehicles, bicycles, trailers, and roadmachinery