(1) (a) Except as provided in Subsection (1)(c), a person operating a vehicle: (i) shall keep the vehicle as nearly as practical entirely within a single lane; and (ii) 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 (1)(a)(ii) 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 (1)(a) does not apply to an individual operating a motorcycle engaging in lane filtering as described in Section 41-6a-704.

(a) Except as provided in Subsection (1)(c), a person operating a vehicle: (i) shall keep the vehicle as nearly as practical entirely within a single lane; and (ii) may not move the vehicle from the lane until the operator has reasonably determined the movement can be made safely.

(i) shall keep the vehicle as nearly as practical entirely within a single lane; and

(ii) 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 (1)(a)(ii) 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 (1)(a) does not apply to an individual operating a motorcycle engaging in lane filtering as described in Section 41-6a-704.

(2) (a) On a roadway divided into three or more lanes and providing for two-way movement of traffic, a person operating a vehicle may not drive in the center lane except: (i) when overtaking and passing another vehicle traveling in the same direction, and when the center lane is: (A) clear of traffic within a safe distance; and (B) not a two-way left turn lane; (ii) in preparation of making or completing a left turn in compliance with Section 41-6a-801; or (iii) 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. (b) Notwithstanding Subsection (2)(a)(i) and in accordance with Subsection (1)(a), a person operating a vehicle may drive in a center lane that is a two-way left turn lane if: (i) the center lane is: (A) on a roadway divided into three or more lanes that provides for two-way movement of traffic; and (B) clear of traffic within a safe distance; (ii) there is only one lane of travel in the direction the person operating the vehicle is traveling; and (iii) 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.

(a) On a roadway divided into three or more lanes and providing for two-way movement of traffic, a person operating a vehicle may not drive in the center lane except: (i) when overtaking and passing another vehicle traveling in the same direction, and when the center lane is: (A) clear of traffic within a safe distance; and (B) not a two-way left turn lane; (ii) in preparation of making or completing a left turn in compliance with Section 41-6a-801; or (iii) 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.

(i) when overtaking and passing another vehicle traveling in the same direction, and when the center lane is: (A) clear of traffic within a safe distance; and (B) not a two-way left turn lane;

(A) clear of traffic within a safe distance; and

(B) not a two-way left turn lane;

(ii) in preparation of making or completing a left turn in compliance with Section 41-6a-801; or

(iii) 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.

(b) Notwithstanding Subsection (2)(a)(i) and in accordance with Subsection (1)(a), a person operating a vehicle may drive in a center lane that is a two-way left turn lane if: (i) the center lane is: (A) on a roadway divided into three or more lanes that provides for two-way movement of traffic; and (B) clear of traffic within a safe distance; (ii) there is only one lane of travel in the direction the person operating the vehicle is traveling; and (iii) 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.

(i) the center lane is: (A) on a roadway divided into three or more lanes that provides for two-way movement of traffic; and (B) clear of traffic within a safe distance;

(A) on a roadway divided into three or more lanes that provides for two-way movement of traffic; and

(B) clear of traffic within a safe distance;

(ii) there is only one lane of travel in the direction the person operating the vehicle is traveling; and

(iii) 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.

(3) (a) 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. (b) An operator of a vehicle shall obey the directions of a traffic-control device erected under Subsection (3)(a).

(a) 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.

(b) An operator of a vehicle shall obey the directions of a traffic-control device erected under Subsection (3)(a).