South Dakota has adopted Part 396 of the Federal Motor Carrier Safety Regulations (FMCSRs), as amended through January 1, 2026.
Part 396 applies to drivers and motor carriers operating intrastate vehicles and combinations of vehicles with a gross vehicle weight rating, gross combination weight rating, gross vehicle weight, or gross combination weight of 26,001 or more pounds, and any size or type of vehicle used to transport hazardous materials requiring placarding.