It is a Class 2 misdemeanor at any time for a person to drive or operate a motor vehicle upon the national system of interstate highways at a speed less than forty miles per hour unless the vehicle is operated pursuant to a permit, issued by the Department of Public Safety. This section does not apply to highway equipment operated by personnel in the performance of highway maintenance duties.
S.D. Codified Laws § 32-25-5
Minimum speed on interstate highways--Violation--Exceptions
Applied in 1 court decision — leading case Leo v. Adams (1973)
Most recently applied in Leo v. Adams (June 1973)
Source: SDC Supp 1960, § 44.0303 (8) as added by SL 1963, ch 253; SL 1964, ch 123, § 1; SL 1989, ch 255, § 125; SL 2022, ch 100, § 1.
Official source: South Dakota Legislature. Reproduced from public-domain South Dakota statutes; confirm against the official source for the current text. Not legal advice.