2011 Utah Code
Title 41 Motor Vehicles
Chapter 6a Traffic Code
Section 709 One-way traffic.

41-6a-709. One-way traffic.
(1) A highway authority may designate any highway, roadway, part of a roadway, or specific lanes under the highway authority's jurisdiction for one direction of vehicle travel at all times as indicated by traffic-control devices.
(2) On a roadway designated for one-way traffic, a person operating a vehicle shall operate the vehicle in the direction indicated by traffic-control devices.
(3) A person operating a vehicle in a roundabout shall operate the vehicle only to the right of the roundabout island.