Versions of South Dakota Codified Laws 49-17-23. Programs for improvement of freight service on branch trackage on LawServer 2023 South Dakota Codified Laws 49-17-23. Programs for improvement of freight service on branch trackage 2022 South Dakota Codified Laws 49-17-23. Programs for improvement of freight service on branch trackage 2021 South Dakota Codified Laws 49-17-23. Programs for improvement of freight service on branch trackage 2019 South Dakota Codified Laws 49-17-23. Programs for improvement of freight service on branch trackage 2018 South Dakota Codified Laws 49-17-23. Programs for improvement of freight service on branch trackage 2016 South Dakota Codified Laws 49-17-23. Programs for improvement of freight service on branch trackage 2014 South Dakota Codified Laws 49-17-23. Programs for improvement of freight service on branch trackage 2010 South Dakota Laws 49-17-23 – Programs for improvement of freight service on branch trackage