Utah Code § 72-6-110: Supervision and standards of construction for class B and C roads.

(1) All construction plans, specifications, and estimates and all construction work under Section 72-6-108 shall be prepared and performed under the direct supervision of a registered professional engineer.

(2) The supervising engineer shall certify to the county legislative body or the municipal executive that all road construction projects conform to design and construction standards as currently adopted by the American Association of State Highway and Transportation officials.