Versions of South Dakota Codified Laws 32-18-20. Buses and trucks with air brakes--Warning signal for low air pressure--Pressure gauge--Violation as misdemeanor on LawServer 2023 South Dakota Codified Laws 32-18-20. Buses and trucks with air brakes–Warning signal for low air pressure–Pressure gauge–Violation as misdemeanor 2022 South Dakota Codified Laws 32-18-20. Buses and trucks with air brakes–Warning signal for low air pressure–Pressure gauge–Violation as misdemeanor 2021 South Dakota Codified Laws 32-18-20. Buses and trucks with air brakes–Warning signal for low air pressure–Pressure gauge–Violation as misdemeanor 2019 South Dakota Codified Laws 32-18-20. Buses and trucks with air brakes–Warning signal for low air pressure–Pressure gauge–Violation as misdemeanor 2018 South Dakota Codified Laws 32-18-20. Buses and trucks with air brakes–Warning signal for low air pressure–Pressure gauge–Violation as misdemeanor 2016 South Dakota Codified Laws 32-18-20. Buses and trucks with air brakes–Warning signal for low air pressure–Pressure gauge–Violation as misdemeanor 2014 South Dakota Codified Laws 32-18-20. Buses and trucks with air brakes–Warning signal for low air pressure–Pressure gauge–Violation as misdemeanor 2010 South Dakota Laws 32-18-20 – Buses and trucks with air brakes–Warning signal for low air pressure–Pressure gauge–Violation as misdemeanor