Versions of South Dakota Codified Laws 31-4-1. State trunk highway system designated by Legislature--Primary factors to be considered--Limitation on removal from state trunk highway system on LawServer 2023 South Dakota Codified Laws 31-4-1. State trunk highway system designated by Legislature–Primary factors to be considered–Limitation on removal from state trunk highway system 2022 South Dakota Codified Laws 31-4-1. State trunk highway system designated by Legislature–Primary factors to be considered–Limitation on removal from state trunk highway system 2021 South Dakota Codified Laws 31-4-1. State trunk highway system designated by Legislature–Primary factors to be considered–Limitation on removal from state trunk highway system 2019 South Dakota Codified Laws 31-4-1. State trunk highway system designated by Legislature–Primary factors to beconsidered–Limitation on removal from state trunk highway system 2018 South Dakota Codified Laws 31-4-1. State trunk highway system designated by Legislature–Primary factors to be considered–Limitation on removal from state trunk highway system 2016 South Dakota Codified Laws 31-4-1. State trunk highway system designated by Legislature–Primary factors to beconsidered–Limitation on removal from state trunk highway system 2014 South Dakota Codified Laws 31-4-1. State trunk highway system designated by Legislature–Primary factors to beconsidered–Limitation on removal from state trunk highway system 2010 South Dakota Laws 31-4-1 – State trunk highway system designated by Legislature–Primary factors to be considered–Limitation on removal from state trunk highway system