S.D. Codified Laws § 32-15-18
Current with legislation signed by the governor on or before 3/6/2024
No person may drive or move any vehicle on any highway unless such vehicle is so constructed or loaded as to prevent its contents from dropping, sifting, leaking, or otherwise escaping therefrom. A violation of this section is a Class 2 misdemeanor.
SDCL 32-15-18