Utah Code 41-6a-1636. Tires which are prohibited — Regulatory powers of state transportation department — Winter use of studs — Special permits — Tread depth
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(1) A solid rubber tire on a vehicle shall have rubber on its entire traction surface at least one inch thick above the edge of the flange of the entire periphery.
Terms Used In Utah Code 41-6a-1636
- Bus: means a motor vehicle:(6)(a)(i) designed for carrying more than 15 passengers and used for the transportation of persons; or(6)(a)(ii) designed and used for the transportation of persons for compensation. See Utah Code 41-6a-102
- Department: means the Department of Public Safety. See Utah Code 41-6a-102
- Gross weight: means the weight of a vehicle without a load plus the weight of any load on the vehicle. See Utah Code 41-6a-102
- Highway: means the entire width between property lines of every way or place of any nature when any part of it is open to the use of the public as a matter of right for vehicular travel. See Utah Code 41-6a-102
- Highway authority: means the same as that term is defined in Section
72-1-102 . See Utah Code 41-6a-102- Jurisdiction: (1) The legal authority of a court to hear and decide a case. Concurrent jurisdiction exists when two courts have simultaneous responsibility for the same case. (2) The geographic area over which the court has authority to decide cases.
- Metal tire: means a tire, the surface of which in contact with the highway is wholly or partly of metal or other hard nonresilient material. See Utah Code 41-6a-102
- Motor vehicle: means a vehicle that is self-propelled and a vehicle that is propelled by electric power obtained from overhead trolley wires, but not operated upon rails. See Utah Code 41-6a-102
- Operate: means the same as that term is defined in Section
41-1a-102 . See Utah Code 41-6a-102- Person: means a natural person, firm, copartnership, association, corporation, business trust, estate, trust, partnership, limited liability company, association, joint venture, governmental agency, public corporation, or any other legal or commercial entity. See Utah Code 41-6a-102
- Property: includes both real and personal property. See Utah Code 68-3-12.5
- Roadway: means that portion of highway improved, designed, or ordinarily used for vehicular travel. See Utah Code 41-6a-102
- Semitrailer: means a vehicle with or without motive power:
(67)(a)(i) designed for carrying persons or property and for being drawn by a motor vehicle; and(67)(a)(ii) constructed so that some part of its weight and that of its load rests on or is carried by another vehicle. See Utah Code 41-6a-102- Solid rubber tire: means a tire of rubber or other resilient material that does not depend on compressed air for the support of the load. See Utah Code 41-6a-102
- Trailer: means a vehicle with or without motive power designed for carrying persons or property and for being drawn by a motor vehicle and constructed so that no part of its weight rests upon the towing vehicle. See Utah Code 41-6a-102
- Vehicle: means a device in, on, or by which a person or property is or may be transported or drawn on a highway, except a mobile carrier, as defined in Section
41-6a-1120 , or a device used exclusively on stationary rails or tracks. See Utah Code 41-6a-102(2) A person may not operate or move on a highway a motor vehicle, trailer, or semitrailer having a metal tire in contact with the roadway.(3) Except as otherwise provided in this section, a person may not have a tire on a vehicle that is moved on a highway that has on the tire’s periphery a block, stud, flange, cleat, or spike or any other protuberances of any material other than rubber which projects beyond the tread of the traction surface of the tire.(4) In accordance with Title 63G, Chapter 3, Utah Administrative Rulemaking Act, the Department of Transportation may make rules to permit the use of tires on a vehicle having protuberances other than rubber, if the department concludes that protuberances do not:(4)(a) damage the highway significantly; or(4)(b) constitute a hazard to life, health, or property.(5) Notwithstanding any other provision of this section, a person may use:(5)(a) a tire with protuberances consisting of tungsten carbide studs on a vehicle if the studs:(5)(a)(i) are only used during the winter periods of October 15 through December 31 and January 1 through March 31 of each year;(5)(a)(ii) do not project beyond the tread of the traction surface of the tire more than .050 inches; and(5)(a)(iii) are not used on a vehicle with a maximum gross weight in excess of 9,000 pounds unless the vehicle is an emergency vehicle or school bus;(5)(b) farm machinery with tires having protuberances which will not injure the highway; and(5)(c) tire chains of reasonable proportions on a vehicle when required for safety because of snow, ice, or other conditions tending to cause a vehicle to skid.(6) Notwithstanding any other provision of this chapter, a highway authority, for a highway under its jurisdiction, may issue special permits authorizing the operation on a highway of:(6)(a) farm tractors;(6)(b) other farm machinery; or(6)(c) traction engines or tractors having movable tracks with transverse corrugations on the periphery of the movable tracks.(7)(7)(a) A person may not operate a vehicle if one or more of the tires in use on the vehicle:(7)(a)(i) is in an unsafe operating condition; or(7)(a)(ii) has a tread depth less than 2/32 inch measured in any two adjacent tread grooves at three equally spaced intervals around the circumference of the tire.(7)(b) The measurement under Subsection (7)(a) may not be made at the location of any tread wear indicator, tie bar, hump, or fillet.(8) A person in the business of selling tires may not sell or offer for sale for highway use any tire prohibited for use under Subsection (7).(9) A violation of this section is an infraction.