Utah Code Ann. § 72-7-409
(1) As used in this section:
(b)
(2) Except as provided in Subsections (3) through (5), a person may not:
(3)
(a) A vehicle carrying dirt, sand, gravel, rock fragments, pebbles, crushed base, aggregate, any other similar material, or scrap metal shall have a covering over the entire load unless:
(b) The following material is exempt from the provisions of Subsection (3)(a):
(4) Subsection (2) does not apply to a vehicle or implement of husbandry carrying an agricultural product, if the agricultural product is:
(5)
(6)
(b) Any person who violates this section is guilty of:
(c) A person who violates a provision of this section shall be fined not less than:
(d) A person who violates a provision of this section while operating a commercial vehicle as defined in Section 72-9-102 shall be fined: