Utah Code Title 41. Motor Vehicles § 41-6a-707. Limitations on driving on left side of road--Exceptions

(a) when approaching or on a crest of a grade or a curve on the highway where the person's view is obstructed within a distance which creates a hazard if another vehicle approached from the opposite direction;

(b) when approaching within 100 feet of or traversing any intersection or railroad grade crossing unless otherwise indicated by a traffic-control device or a peace officer; or

(c) when the view is obstructed while approaching within 100 feet of any bridge, viaduct, or tunnel.

(a) on a one-way roadway;

(b) under the conditions described in Subsection 41-6a-701(1)(b); or

(c) to a person operating a vehicle turning left onto or from an alley, private road, or driveway.