41-6a-804. Turning or changing lanes -- Safety -- Signals -- Stopping or sudden decrease in speed -- Signal flashing -- Where prohibited.
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Effective 5/6/2026
41-6a-804. Turning or changing lanes -- Safety -- Signals -- Stopping or sudden decrease in speed -- Signal flashing -- Where prohibited.
(1)An individual may not turn a vehicle, merge into a continuing lane from a lane of travel that is ending, or otherwise move right or left on a roadway or change lanes until:
(a)the movement can be made with reasonable safety; and
(b)an appropriate signal has been given as provided under this section.
(c)An individual shall give a signal of intention to turn right or left or to change lanes continuously for at least the last two seconds before the beginning of the movement.
(2)An individual may not stop or suddenly decrease the speed of a vehicle without first giving an appropriate signal to the operator of a vehicle immediately to the rear when there is opportunity to give a signal.
(a)An individual shall give a stop or turn signal when required, either by the hand and arm or by signal lamps.
(b)If an individual operating a vehicle uses hand and arm signals, the individual shall give the required hand and arm signals from the left side of the vehicle as follows:
(i)left turn: hand and arm extended horizontally;
(ii)right turn: hand and arm extended upward; and
(iii)stop or decrease speed: hand and arm extended downward.
(i)An individual operating a bicycle or device propelled by human power may give the required hand and arm signals for a right turn by extending the right hand and arm horizontally to the right.
(ii)This Subsection (3)(c) is an exception to Subsection (3)(b)(ii) .
(4)An individual required to signal under this section may not flash a signal:
(a)on one side only on a disabled vehicle;
(b)as a courtesy or "do pass" to operators of other vehicles approaching from the rear; or
(c)on one side only of a parked vehicle.
(5)Notwithstanding the requirements of this section, an individual is not required to make a signal of intention to turn when entering or exiting a roundabout.
(6)A violation of this section is an infraction.
Amended by Chapter 405 , 2026 General Session