A. Regulations:
1. On a roadway divided into two (2) or more clearly marked lanes for traffic, the following provisions apply:
a. Except as provided in subsection A1c of this section:
(1) A person operating a vehicle:
(A) Shall keep the vehicle as nearly as practical entirely within a single lane; and
(B) May not move the vehicle from the lane until the operator has reasonably determined the movement can be made safely.
b. A determination under subsection A1a(1)(B) of this section is reasonable if a reasonable person acting under the same conditions and having regard for actual and potential hazards then existing would determine that the movement could be made safely.
c. Subsection A1a of this section does not apply to an individual operating a motorcycle engaging in lane filtering as described in Utah Code Annotated, section 41-6a-704 (see subsections 5-1-24A5 and A6 of this chapter).
2. On a roadway divided into three (3) or more lanes and providing for two-way movement of traffic, a person operating a vehicle may not drive in the center lane except:
a. When overtaking and passing another vehicle traveling in the same direction, and when the center lane is:
(1) Clear of traffic within a safe distance; and
(2) Not a two-way left turn lane;
b. In preparation of making or completing a left turn in compliance with Utah Code Annotated, section 41-6a-801; or
c. Where the center lane is allocated exclusively to traffic moving in the same direction that the vehicle is proceeding as indicated by traffic-control devices.
3. Notwithstanding subsection A2a of this section and in accordance with subsection A1a of this section, a person operating a vehicle may drive in a center lane that is a two- way left turn lane if:
a. The center lane is:
(1) On a roadway divided into three (3) or more lanes that provides for two-way movement of traffic; and
(2) Clear of traffic within a safe distance;
b. There is only one lane of travel in the direction the person operating the vehicle is traveling; and
c. The person operating the vehicle is overtaking and passing a bicycle or moped that is moving at less than the reasonable speed of traffic that is present.
4. A highway authority may erect traffic-control devices directing specified traffic to use a designated lane or designating those lanes to be used by traffic moving in a particular direction regardless of the center of the roadway.
a. An operator of a vehicle shall obey the directions of a traffic-control device erected under this subsection A4.
5. As used in this section:
BICYCLE: Means a wheeled vehicle:
a. Propelled by human power by feet or hands acting upon pedals or cranks;
b. With a seat or saddle designed for the use of the operator;
c. Designed to be operated on the ground; and
d. Whose wheels are not less than fourteen inches (14") in diameter.
e. "Bicycle" includes an electric assisted bicycle.
f. "Bicycle" does not include scooters and similar devices.
HIGHWAY AUTHORITY: Means the department or the legislative, executive, or governing body of a county or municipality.
LANE FILTERING: Means, when operating a motorcycle other than an autocycle, the act of overtaking and passing another vehicle that is stopped in the same direction of travel in the same lane.
MOPED: Means a motor-driven cycle having:
a. Pedals to permit propulsion by human power; and
b. A motor that:
(1) Produces not more than two (2) brake horsepower; and
(2) Is not capable of propelling the cycle at a speed in excess of thirty (30) miles per hour on level ground.
c. If an internal combustion engine is used, the displacement may not exceed fifty (50) cubic centimeters and the moped shall have a power drive system that functions directly or automatically without clutching or shifting by the operator after the drive system is engaged.
d. "Moped" does not include:
(1) An electric assisted bicycle; or
(2) A motor assisted scooter.
MOTORCYCLE: Means:
a. A motor vehicle, other than a tractor, having a seat or saddle for the use of the rider and designed to travel with not more than three (3) wheels in contact with the ground; or
b. An autocycle.
OPERATOR: Means:
a. A human driver, as defined in Utah Code Annotated, section 41-26-102.1, that operates a vehicle; or
b. An automated driving system, as defined in Utah Code Annotated, section 41-26-102.1, that operates a vehicle.
ROADWAY: Means that portion of highway improved, designed, or ordinarily used for vehicular travel.
a. "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.
b. "Roadway" refers to any roadway separately but not to all roadways collectively, if a highway includes two (2) or more separate roadways.
TRAFFIC: Means pedestrians, ridden or herded animals, vehicles, and other conveyances either singly or together while using any highway for the purpose of travel.
TRAFFIC-CONTROL DEVICE: Means a sign, signal, marking, or device not inconsistent with this chapter placed or erected by a highway authority for the purpose of regulating, warning, or guiding traffic.
VEHICLE: Means a device in, on, or by which a person or property is or may be transported or drawn on a highway, except a mobile carrier, as defined in Utah Code Annotated, section 41-6a-1120, or a device used exclusively on stationary rails or tracks.
6. A violation of this section is an infraction. (Ord. 19-12, 7-30-2019)