Roadway divided into marked lanes -- Provisions -- Traffic-control devices.

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  6. Roadway divided into marked lanes -- Provisions -- Traffic-control devices.

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Affected by 63I-1-241 on 7/1/2022

Effective 5/14/2019
41-6a-710. Roadway divided into marked lanes -- Provisions -- Traffic-control devices.
  • (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.
  • (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.
  • (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).




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