R920-6-4. Provisions

  (1) At the request of one of UDOT's Region Directors or their designee, UDOT's Traffic and Safety Division will issue a Traffic Engineering Order (TEO) that establishes each designated traffic segment and identifies its class.

  (2) UDOT's Division of Traffic and Safety will maintain and publish a list of designated traction segments and their class on UDOT's website. UDOT will communicate any changes to the list to:

  (a) UDOT Region offices,

  (b) UHP,

  (c) county offices, and

  (d) local law enforcement agencies.

  (3) When road surface conditions warrant, as determined by UDOT, UHP or designated local law enforcement agency, no vehicle will be allowed or permitted the use of the highway unless:

  (a) For Class I Traction Segments, vehicles over 12,000 GVW shall be traction device equipped, and

  (b) for Class II Traction Segments, all vehicles shall be traction device equipped or four-wheel drive as defined in this rule.

  (4) Travelers are notified when traction devices are required via road signs and UDOT's traveler information systems.