Versions of South Dakota Codified Laws 31-28-4. Description of routes selected for marking--Previously marked routes to conform on LawServer 2023 South Dakota Codified Laws 31-28-4. Description of routes selected for marking–Previously marked routes to conform 2022 South Dakota Codified Laws 31-28-4. Description of routes selected for marking–Previously marked routes to conform 2021 South Dakota Codified Laws 31-28-4. Description of routes selected for marking–Previously marked routes to conform 2019 South Dakota Codified Laws 31-28-4. Description of routes selected for marking–Previously marked routes toconform 2018 South Dakota Codified Laws 31-28-4. Description of routes selected for marking–Previously marked routes to conform 2016 South Dakota Codified Laws 31-28-4. Description of routes selected for marking–Previously marked routes toconform 2014 South Dakota Codified Laws 31-28-4. Description of routes selected for marking–Previously marked routes toconform 2010 South Dakota Laws 31-28-4 – Description of routes selected for marking–Previously marked routes to conform