Utah Code § 72-6-114: Restricting use of or closing highway -- Penalty for failure to observe barricade, warning light, etc.

(1) A highway authority may close or restrict travel on a highway under their jurisdiction due to construction, maintenance work, or emergency.

(2) If a highway or portion of a highway is closed or restricted to travel, a highway authority shall cause suitable barriers and notices to be posted and maintained in accordance with Section 41-6a-301.

(3) A person who willfully fails to observe any temporary or permanent barricade, warning light, sign, cone, or other object used in accordance with this section, or to obey a flagman, is guilty of a class B misdemeanor.