The 2022 South Dakota Commercial and Agricultural Vehicle Handbook contains guidelines for operating commercial and agricultural vehicles in South Dakota. It is current as of December 1, 2021.

The information in the Handbook addresses the regulations most commonly applicable to heavy vehicles, but it is not intended to be all-inclusive. It is the responsibility of the motor vehicle operator to know and comply with the laws and rules regulating commercial or agricultural vehicle operation.

Current South Dakota Codified Laws (SDCL) can be found at:

Current Administrative Rules of South Dakota (ARSD) can be found at:

For further information, please contact the appropriate agency listed in the South Dakota State Government Agencies section on page 5.

The South Dakota Department of Transportation provides services without regard to race, color, gender, religion, national origin, age or disability, according to the provisions contained in SDCL 20-13, Title VI of the Civil Rights Act of 1964, the Rehabilitation Act of 1973, as amended, the Americans With Disabilities Act of 1990 and Executive Order 12898, Federal Actions to Address Environmental Justice in Minority Populations and Low-Income Populations, 1994. Any person who has questions concerning this policy or who believes he or she has been discriminated against should contact the Department’s Civil Rights Office at 605.773.3540.