Utah § 6a-804 - Turning or changing lanes -- Safety -- Signals -- Stopping or sudden decrease in speed -- Signal flashing -- Where prohibited.
Full text of Utah Utah Code § 6a-804 — Turning or changing lanes -- Safety -- Signals -- Stopping or sudden decrease in speed -- Signal flashing -- Where prohibited., with citation guidance and answers to common questions.
§ 6a-804. Turning or changing lanes -- Safety -- Signals -- Stopping or sudden decrease in speed -- Signal flashing -- Where prohibited.
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.
(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.
Section 6a-804 ("Turning or changing lanes -- Safety -- Signals -- Stopping or sudden decrease in speed -- Signal flashing -- Where prohibited.") is part of the Utah Code, the codified statutory law of Utah. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.
How do I cite Utah § 6a-804?
A common citation format is "Utah Code § 6a-804" (Utah). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.
Is this the official text of Utah law?
No. This page is for research and education and may not include the most recent amendments. For official current law, check the Utah official source linked on this page or consult a licensed Utah attorney.
How does Utah § 6a-804 apply to my situation?
Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Utah can advise on how this section applies to you. Contact your state or local bar association for a referral.
