(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.
(3)
- (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.
(c)
- (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