The Department of Transportation shall specify and may cause to be erected the standard traffic control devices and markings it considers necessary along the trunk highway system. The devices and markings shall be of uniform design throughout the state.
S.D. Codified Laws § 31-28-5
Standard traffic control devices and markings--Adoption and erection--Uniformity of design
Source: SL 1919, ch 333, § 53; SL 1923, ch 284, § 4; SDC 1939, § 28.0901; SL 1941, ch 130; SL 1984, ch 207, § 70.
Official source: South Dakota Legislature. Reproduced from public-domain South Dakota statutes; confirm against the official source for the current text. Not legal advice.