Utah Code Ann. § 41-6a-904
(1) Except when otherwise directed by a peace officer, the operator of a vehicle, upon the immediate approach of an authorized emergency vehicle using audible or visual signals under Section 41-6a-212 or 41-6a-1625, shall:
(2) The operator of a vehicle, upon approaching a stationary authorized emergency vehicle that is displaying alternately flashing red, red and white, or red and blue lights, shall:
(3) The operator of a vehicle, upon approaching a stationary tow truck or highway maintenance vehicle that is displaying flashing amber lights, shall:
(5)
(a)
(i) In addition to the penalties prescribed under Section 41-6a-202, a person who violates this section shall attend a four hour live classroom defensive driving course approved by:
(b) The Driver License Division shall suspend a person's driver license for a period of 90 days if the person: