Versions of South Dakota Codified Laws 32-20-16. Display of blue light as part of rear brake light authorized on LawServer 2023 South Dakota Codified Laws 32-20-16. Display of blue light as part of rear brake light authorized 2022 South Dakota Codified Laws 32-20-16. Display of blue light as part of rear brake light authorized 2021 South Dakota Codified Laws 32-20-16. Display of blue light as part of rear brake light authorized 2019 South Dakota Codified Laws 32-20-16. Display of blue light as part of rear brake light authorized 2018 South Dakota Codified Laws 32-20-16. Display of blue light as part of rear brake light authorized 2016 South Dakota Codified Laws 32-20-16. Display of blue light as part of rear brake light authorized 2014 South Dakota Codified Laws 32-20-16. Display of blue light as part of rear brake light authorized 2010 South Dakota Laws 32-20-16 – Display of blue light as part of rear brake light authorized