32-25-5. Minimum speed on interstate highways--Violation--Exceptions.

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.

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.