North Dakota § 39-21-40 - Restrictions as to tire equipment
Full text of North Dakota North Dakota Century Code § 39-21-40 — Restrictions as to tire equipment, with citation guidance and answers to common questions.
§ 39-21-40. Restrictions as to tire equipment
1. Every solid rubber tire on a vehicle must have rubber on its entire traction surface at least one inch [2.54 centimeters] thick above the edge of the flange of the entire periphery. 2. No person may operate or move on any highway any motor vehicle, trailer, or semitrailer having any metal tire in contact with the roadway. 3. No tire on a vehicle moved on a highway may have on its periphery any block, stud, flange, cleat, or spike or any other protuberance of any material other than rubber which projects beyond the tread of the traction surface of the tire, except that it is permissible to use farm machinery with tires having protuberances which will not injure the highway, and except also that it is permissible to use tire chains of reasonable proportions. It is also permissible to use, from October fifteenth to April fifteenth, pneumatic tires which have metal studs which do not project more than one-sixteenth of an inch [1.59 millimeters] beyond the tread of the traction surface of the tire, except that it is permissible to use such tires on schoolbuses at any time during the year.
Source: official North Dakota text · Last verified 2026-08-27
Frequently Asked Questions About North Dakota § 39-21-40
What does North Dakota Century Code § 39-21-40 cover?
Section 39-21-40 ("Restrictions as to tire equipment") is part of the North Dakota Century Code, the codified statutory law of North Dakota. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.
How do I cite North Dakota § 39-21-40?
A common citation format is "North Dakota Century Code § 39-21-40" (North Dakota). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.
Is this the official text of North Dakota law?
No. This page is for research and education and may not include the most recent amendments. For official current law, check the North Dakota official source linked on this page or consult a licensed North Dakota attorney.
How does North Dakota § 39-21-40 apply to my situation?
Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in North Dakota can advise on how this section applies to you. Contact your state or local bar association for a referral.
Sources & Verification
Not legal advice. Verify against the official source and consult a licensed attorney in North Dakota.