South Dakota Codified Laws
Chapter 25 - Speed Regulation
Section 32-25-5 - Minimum speed on interstate highways--Violation--Exceptions.

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.

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Structure South Dakota Codified Laws

South Dakota Codified Laws

Title 32 - Motor Vehicles

Chapter 25 - Speed Regulation

Section 32-25-1.1 - Maximum daytime speed--Violation as misdemeanor.

Section 32-25-3 - Requirement that speed be reasonable and lawful under statutes--Violation as misdemeanor.

Section 32-25-4 - Maximum speed on interstate highways--Violation as misdemeanor.

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

Section 32-25-5.1 - Unreasonably slow speed prohibited--Violation as misdemeanor.

Section 32-25-5.2 - Posting of minimum speeds on particular highways--Violation of minimum speeds as misdemeanor.

Section 32-25-6 - Maximum speed for heavy vehicles--Computing gross weight--Violation as misdemeanor.

Section 32-25-6.1 - Maximum speed for manufactured homes or mobile homes--Violation as misdemeanor.

Section 32-25-6.2 - Maximum speed with solid rubber or cushion tires--Violation as misdemeanor.

Section 32-25-7 - Establishment of speed zones--Posting of zones--State or federal roads--Violation as misdemeanor.

Section 32-25-7.1 - Establishment of maximum speed limit on any divided four-lane highway in rural areas--Posting of signs--Misdemeanor.

Section 32-25-9.1 - Establishment of speed zones by county commissioners--Posting of zones.

Section 32-25-9.2 - Township road speed limit--Violation as misdemeanor.

Section 32-25-10 - Changing speed or extent of established zone.

Section 32-25-12 - Speed limit in unposted urban areas--Violation as misdemeanor.

Section 32-25-13 - Speed limit at obstructed railway crossings--Violation as misdemeanor.

Section 32-25-14 - Speed limit in school zones--Violation as misdemeanor.

Section 32-25-14.1 - Posted school zones--Uniform traffic control devices--Failure to obey as misdemeanor.

Section 32-25-15 - Speed limit at intersections with obstructed view--Violation as misdemeanor.

Section 32-25-16 - Exceeding of speed limits as misdemeanor--Power of local authorities to increase limits on through highways.

Section 32-25-17 - Posting stop signs at intersections with increased maximum--Illumination of stop signs.

Section 32-25-18 - Special speed limits for bridges--Posting signs--Violation of posted speed limit as misdemeanor--Established speed as conclusive maximum safe speed.

Section 32-25-19 - Speed limits on posted bridges or structures--Violation as misdemeanor.

Section 32-25-19.1 - Limited speed zones--Signs posted--Violation as misdemeanor.

Section 32-25-21 - Contents of complaint and summons for violation.

Section 32-25-22 - Punishment upon fourth or subsequent conviction--Cancellation of compensation plates--Duration of cancellation.

Section 32-25-23 - Racing on highway prohibited--Violation as misdemeanor.

Section 32-25-25 - "Racing" defined.

Section 32-25-25.1 - Nonprofit snowmobile racing exempt from speed provisions.

Section 32-25-27 - Low-speed vehicles.

Section 32-25-28 - Exceeding posted speed limit permitted under certain conditions.