Utah Code Ann. § 41-1a-407
(1) Except as provided in Subsection (2), each municipality, board of education, school district, state institution of learning, county, other governmental division, subdivision, or district, and the state shall:
(2) The entity need not display the "EX" license plate or the identification mark required by Subsection (1) if:
(c) the vehicle is used in an organized Utah Highway Patrol operation that is:
(iv) targeted toward careless driving, aggressive driving, and accidents involving:
(f) the vehicle is used in routine enforcement on a state highway with four or more lanes involving:
(4)
(6)
(b)
Amended by Chapter 16, 2025 Special Session 1