View source for The "keep right" rule in Utah

Utah Code
41-6a-1105.   Operation of bicycle or moped on and use of roadway -- Duties, prohibitions.
(1) A person operating a bicycle or a moped on a roadway at less than the normal speed of traffic at the time and place and under the conditions then existing shall ride as near as practicable to the right-hand edge of the roadway except when:
     (a) overtaking and passing another bicycle or vehicle proceeding in the same direction;
     (b) preparing to make a left turn at an intersection or into a private road or driveway;
     (c) traveling straight through an intersection that has a right-turn only lane that is in conflict with the straight through movement; or
     (d) reasonably necessary to avoid conditions that make it unsafe to continue along the right-hand edge of the roadway including:
         (i) fixed or moving objects; (ii) parked or moving vehicles; (iii) bicycles; (iv) pedestrians; (v) animals; surface hazards; or
         (vii) a lane that is too narrow for a bicycle and a vehicle to travel safely side by side within the lane.
(2) A person operating a bicycle or moped on a highway shall operate in the designated direction of traffic.
(3) (a) A person riding a bicycle or moped on a roadway may not ride more than two abreast with another person except on paths or parts of roadways set aside for the exclusive use of bicycles.
     (b) If allowed under Subsection (3)(a), a person riding two abreast with another person may not impede the normal and reasonable movement of traffic and shall ride within a single lane.
(4) If a usable path for bicycles has been provided adjacent to a roadway, a bicycle rider may be directed by a traffic-control device to use the path and not the roadway. 41-6a-102.   Definitions.
     As used in this chapter:
     ...
(4) (a) "Bicycle" means every device:
         (i) propelled by human power; (ii) upon which a person may ride; and (iii) having two tandem wheels.
     (b) "Bicycle" does not include scooters and similar devices.

(20) "Highway" means the entire width between property lines of every way or place of any nature when any part of it is open to the use of the public as a matter of right for vehicular travel.

(51) (a) "Roadway" means that portion of highway improved, designed, or ordinarily used for vehicular travel.
         (b) "Roadway" does not include the sidewalk, berm, or shoulder, even though any of them are used by persons riding bicycles or other human-powered vehicles.
         (c) "Roadway" refers to any roadway separately but not to all roadways collectively, if a highway includes two or more separate roadways.

(55) "Shoulder area" means:
         (a) that area of the hard-surfaced highway separated from the roadway by a pavement edge line as established in the current approved "Manual on Uniform Traffic Control Devices"; or
         (b) that portion of the road contiguous to the roadway for accommodation of stopped vehicles, for emergency use, and lateral support.

(61) "Traffic" means pedestrians, ridden or herded animals, vehicles, and other conveyances either singly or together while using any highway for the purpose of travel.

(70) "Vehicle" means a device in, on, or by which a person or property is or may be transported or drawn on a highway, except devices used exclusively on stationary rails or tracks.
41-6a-706.5.   Operation of motor vehicle near bicycle prohibited.
     An operator of a motor vehicle may not knowingly, intentionally, or recklessly operate a motor vehicle within three feet of a moving bicycle, unless the operator of the motor vehicle operates the motor vehicle within a reasonable and safe distance of the bicycle.

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