Can You Get a DUI While Riding a Bicycle in Arizona?

No. You cannot get charged for riding a traditional cycle while impaired in Arizona. The answer comes from a three-step chain in the DUI laws:

1. The DUI statute (ARS § 28-1381) makes it illegal to operate a “vehicle” while under the influence.
2. ARS § 28-101 excludes “devices propelled by human power.”
3. A bicycle is propelled by pedal power.

Because it falls outside the statutory definition, the impaired-driving statute does not apply. Seven independent Arizona DUI firms and cycling law specialists confirm this interpretation. However, riders of electric models face a genuinely unresolved legal question, and impaired riders may face DUI charges related to dangerous conduct with consequences potentially harsher than a regular DUI.

Key Facts at a Glance

• Regular bicycles: no DUI. Arizona’s DUI laws (ARS § 28-1381) cover “vehicles.” The law specifically excludes human-powered devices. Riding a standard pedal cycle while impaired is not covered.
• E-bikes: genuinely unresolved. No Arizona court has ruled on whether an electric bike is subject to the influence laws. Attorneys disagree. When throttle power is engaged, exposure increases, but the legal question remains open.
• Mopeds and motorized bicycles: full penalties. Mopeds (ARS § 28-101) are classified as motorized. A motorized bicycle with an engine also qualifies. Full penalties apply, identical to car offenses.
• Alternative criminal charges are serious. Impaired riders can face disorderly conduct (ARS § 13-2904), reckless endangerment (ARS § 13-1201), or property damage. Arizona does NOT have a standalone public intoxication statute.
• The penalty paradox. Reckless endangerment is a Class 6 felony carrying up to 2 years of jail time. A first-offense standard DUI charge is a Class 1 misdemeanor with a maximum of 6 months. The alternative can be more severe.
• No license suspension for cycling. Because the DUI statute covers only motorized transport, there is no loss of driving privileges for cycling offenses. An interlock device is never required for a non-motorized charge.
• Implied consent does not apply. Arizona’s implied consent law (ARS § 28-1321) covers operators of motorized transport only. A rider on a pedal-powered cycle has no legal duty to submit to a breath test.

What Arizona Bicycle DUI Laws Say

Three statutes determine whether the DUI laws cover your situation.

ARS § 28-1381: The DUI Statute

ARS § 28-1381(A) makes it unlawful for a person to drive or be in actual physical control of a vehicle in this state while impaired by intoxicating liquor, any drug, a vapor releasing substance, or any combination of these, if impaired to the slightest degree. This covers both alcohol and drug impairment.

The statute says “vehicle,” NOT “motor vehicle.” AZ Bike Law corrected this distinction. Many legal publishers incorrectly summarize the text. The actual text covers vehicles, but ARS § 28-101 excludes human-powered devices. That exclusion protects riders, not the word “motor.”

ARS § 28-101: Key Terms Defined

ARS § 28-101 contains two definitions that control whether the influence statutes reach your situation:

• “Vehicle” means a device in, on, or by which property may be transported on a public highway, excluding devices moved by human power or used exclusively on stationary rails or tracks.
• “Bicycle” means a device, including a racing wheelchair, propelled by pedal power on which a rider may travel, having two tandem wheels, either of which is more than sixteen inches in diameter.

The statute applies to vehicles only. Human-powered devices are excluded. A pedal cycle is human-powered. Therefore the statute does not apply.

ARS § 28-812: The Minority Argument

ARS § 28-812 extends traffic duties to cyclists on roadways: stop signs, traffic signals, right-of-way rules.

The majority counterargument: § 28-812 extends traffic duties but cannot override the statutory definition in § 28-101, which explicitly excludes human-powered devices. Six of seven independent Arizona legal analyses support this view. No Arizona appellate court has ruled on this question.

For a full overview of Arizona cycling regulations, see our Arizona bicycle laws page.

Alternative Charges for Impaired Cycling

You cannot get a DUI on a regular bike in Arizona. But you can face criminal charges if your behavior while under the influence creates a risk to another person. Arizona does NOT have a standalone public intoxication statute. The charge must be based on specific dangerous conduct.

Criminal Record Impact and Consequences

A disorderly conduct conviction is a Class 1 misdemeanor on your criminal record. A reckless endangerment conviction as a Class 6 felony carries more severe consequences for employment, housing, and professional licensing. Arizona allows petition for set-aside of certain convictions (ARS § 13-907), but the conviction remains visible with a notation that it was set aside. Unlike DUI convictions, these do not trigger license suspension, interlock device requirements, or auto insurance rate increases. Offenders may face domestic violence enhancements if the actions involve a household member.

E-Bike DUI: The Genuinely Unresolved Question

No Arizona appellate court has ruled on whether an e-bike is subject to the influence laws. Three competing interpretations exist among Arizona attorneys:

Position 1: E-bikes are covered when powered by throttle or pedal-assist (majority view)

Phebus Law argues that when propulsion comes from an engine or battery, the cycle falls under motorized classifications and exposes the rider to prosecution. When throttle or pedal-assist provides propulsion, the device is no longer powered by pedaling alone and loses its exclusion.

Position 2: E-bikes are excluded entirely (minority view)

Lawyer Listed (2026) states that Arizona does not include electric bicycles, electric standup scooters, or pedal-powered devices. This reading excludes all e-bike models regardless of power source.

Position 3: The capability theory (most aggressive interpretation)

Arjash Law argues that since there is no specific exemption for electric bicycles or motorized bicycles in the DUI statutes, it is possible to face a DUI charge even if biking and the throttle were not in use. This “capability theory” holds that the mere presence of an engine subjects the device to prosecution regardless of active use. If a court accepts this theory, every e-bike rider could face an influence charge whenever riding while impaired.

E-Bike Classification

Arizona classifies e-bikes into three classes (ARS § 28-101):

Class 2 e-bikes with throttle capability present the clearest exposure because a throttle-operated device can propel itself without any pedaling.

If DUI Applies: Arizona’s Tiered Penalty System

If a court determines your electric model meets the motorized vehicle classification, Arizona’s tiered penalties apply. The potential consequences depend on blood alcohol concentration and the number of prior offenses:

Repeat and prior offenders may also face enhanced consequences, including mandatory alcohol counseling and community service.

Mopeds, Motorized Bicycles, and Electric Scooters

Unlike e-bikes, mopeds are unambiguously motor vehicles. ARS § 28-101 defines a “moped” as a bicycle equipped with a helper motor with a piston displacement of not more than 50 cubic centimeters, producing no more than one and one-half brake horsepower, capable of propelling the bicycle at a maximum speed of 25 miles per hour on level ground. A motorized bicycle that meets this specification is subject to full penalties identical to a car.

A motorized bicycle or moped rider stopped while under the influence of alcohol or any drug faces the same charges as a car driver. An electric scooter, including rental scooters such as Bird and Lime, is also engine-powered. Operating any scooter while impaired triggers the same consequences.

For details on electric bike operating rules and information on Arizona e-bike regulations, see our dedicated page.

Implied Consent and Testing

Arizona’s implied consent law (ARS § 28-1321) states that anyone who operates a motor vehicle gives consent to testing of breath, blood, or urine if an officer has reasonable grounds to believe they are under the influence of alcohol or drugs.

This distinction mirrors what we found in our Florida DUI analysis for cyclists, where implied consent covers only motor vehicles and riders are not legally required to submit to breath testing. For additional information on how other states handle this question, see the comparison below.

How Arizona Compares to Other States

Arizona has the cleanest statutory answer of any state. The exclusion is built into ARS § 28-101, not dependent on judicial interpretation (as in Georgia) or case law (as in Florida). Florida is the harshest among all states (full DUI with license revocation). Georgia occupies a unique middle ground (penalties exempted by statute). California created a separate, lighter statute. For information on how the influence laws apply in different states, consult a criminal defense lawyer in your area.

For detailed analysis, see our Florida and Georgia DUI articles.

If You Were Injured While Cycling

The criminal question is about charges, but impaired cycling also creates civil liability that affects compensation. This article covers the criminal side; claims for injury involve separate legal actions.

If you were riding sober and struck by an impaired driver, the driver’s alcohol level is direct evidence of negligence. Arizona’s pure comparative negligence system (ARS § 12-2505) allows you to pursue full compensation for medical bills, lost wages, and pain and suffering. Lawyers with experience handling DUI cases in the Phoenix area can provide details on building your claim.

If you were cycling while impaired and struck by another vehicle, you can still recover damages. Arizona has no fault threshold barring recovery. Your compensation is reduced by your percentage of fault, but the other driver’s negligence is independently actionable.

According to NHTSA (DOT HS 813 762), 22% of cyclists killed nationally in 2023 had BACs of .01 g/dL or higher. Arizona recorded 44 fatalities in 2024 and 48 in 2022, the state’s all-time high.

If you were injured in the Phoenix area, see our Arizona statistics page or use our settlement calculator to estimate your claim value.

What to Do If Stopped While Cycling Under the Influence

If you are stopped by police while riding under the influence in Arizona:

1. Stay calm and be respectful. Do not argue with the officer on the scene.
2. Exercise your right to remain silent. You are not required to answer questions about where you were or how much you drank.
3. Know your testing rights. Implied consent does not apply to standard bicycles. You have no legal duty to submit to a breath test.
4. Do not resist detention. If the officer detains you, cooperate and contact an attorney immediately.
5. Contact a lawyer immediately if facing charges. Before making any statements or accepting any plea, get legal support. Alternative criminal charges carry serious penalties, including potential felony classification for endangerment involving risk of imminent death.

Strong Defense Strategies for Bicycle-Related Charges

Because the statute does not apply to standard bicycles, prosecutors must prove the elements of an alternative charge independently. In these proceedings, there is no BAC reading to rely on (since implied consent does not apply). The case rests on the officer’s subjective observations, which can be challenged. An experienced criminal defense attorney can build a strong defense by questioning whether the behavior met the statutory threshold for “unreasonably disturbing” or “substantial risk of imminent death.” Counsel may negotiate plea reduction to a lesser charge, a substance abuse program, or a diversion program.

Protect Your Rights

Whether you were cited for impaired cycling, charged with property damage or domestic violence related to a cycling incident, or injured by an impaired driver, a bicycle accident attorney can help you understand your legal options and potential consequences. Our law firm handles e-bike and scooter cases across multiple practice areas, including DUI defense, domestic violence, and white collar crimes.

Bicycle Accident Lawyers Group handles e-bike and e-scooter claims exclusively, backed by over $1 billion recovered for victims nationwide. Our attorneys and lawyers provide client service through every stage of your case.

Ready to Get Started?

If you’re a cyclist who has been in an accident, call today for a free initial consult about your legal claim. We’re here to help with your legal questions. Contact our law firm for coast-to-coast bike accident and personal injury representation.

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Posted by Robert Goldwater

Since his academic days at the UC Berkeley School of Law, Robert Goldwater has remained a committed advocate for victims of other people’s negligence. His tort law background, together with his unquenchable thirst for justice, helped young Robert found a now-successful law firm – Bicycle Accident Lawyers Group, gathering same-minded and promising attorneys from all over the country.

All articles by Robert Goldwater