Commercial motor vehicles, noncommercial motor vehicles, trailers and semitrailers, motorcycles, and snowmobiles are distinct classes of motor vehicles, and each shall be numbered in separate series. Each series shall carry a distinctive letter selected by the department.
S.D. Codified Laws § 32-5-97
Separate numbering of different types of vehicles
Source: SDC 1939, § 44.0105; SL 1943, ch 156, § 1; SL 1949, ch 162, § 1; SL 1955, ch 155; SL 1977, ch 249, § 13; SL 1978, ch 224, § 2; SL 1989, ch 257, § 98.
Official source: South Dakota Legislature. Reproduced from public-domain South Dakota statutes; confirm against the official source for the current text. Not legal advice.