Vehicle door -- Prohibited opening.

Utah Code § 41-6a-1704, under Part 41-6a-17: Miscellaneous Rules.

Utah Code § 41-6a-1704

41-6a-1704. Vehicle door -- Prohibited opening.

(1) A person may not open the door of a motor vehicle on a side available to moving traffic unless it can be done safely and without interfering with the movement of other traffic.

(2) A person may not leave a door open on a side of a vehicle available to moving traffic for a period of time longer than necessary to load or unload passengers.