Before You Drive
The Arizona Department of Transportation (ADOT) Motor Vehicle Division (MVD) regulates driver licensing and motor vehicle administration. Anyone who resides in Arizona for at least 7 months in a calendar year, accepts employment in Arizona, or places children in public school must obtain an Arizona driver license within 60 days. Motorists are legally required to report any change of residential address or legal name to the MVD within 10 days, either in person or online via AZMVDNow.gov.
Under Arizona's Graduated Driver License (GDL) laws, teens age 15 and 6 months can obtain a Class 1 Instruction Permit by passing vision screening and written knowledge tests. At age 16, after holding a permit conviction-free for at least six months and logging 30 hours of supervised driving (including 10 hours at night), teens can receive a Class G Graduated Driver License. Class G drivers may not operate a vehicle between 12:00 midnight and 5:00 a.m. (unless driving to work, school, or with a parent) and cannot carry more than one passenger under age 18 who is not an immediate family member during their first six months.
Safe Driving Practices
Safe driving in Arizona requires disciplined visual scanning, proper steering posture, and maintaining safe space cushions. Drivers should keep their hands at the 9 o'clock and 3 o'clock or 8 o'clock and 4 o'clock positions on the steering wheel, using push-pull or hand-over-hand steering methods. Motorists are legally required to activate turn signals at least 100 feet prior to making a turn or changing lanes.
Maintaining an adequate space cushion allows essential reaction time to avoid sudden collisions. Drivers should maintain a minimum three-second following distance behind the vehicle ahead in normal conditions, expanding to four or more seconds in rain, dust storms, high winds, or when following motorcycles or large commercial trucks. Drivers scanning city traffic should look 12 seconds ahead (about one city block) to identify potential hazards early.
Roadway and Vehicle Knowledge
Arizona statutory speed limits establish maximum legal speeds under ideal driving conditions: 15 mph in active school crossings, 25 mph in business or residential districts, 65 mph on open highways, and 75 mph on rural interstate highways. Arizona's basic speed law mandates driving at a reasonable, prudent speed for existing road, weather, and traffic conditions regardless of posted limits.
At intersections, drivers must yield to vehicles already in the intersection and yield to the driver on the right when arriving at uncontrolled intersections simultaneously. Traffic signals must be strictly obeyed: a steady red light requires a complete stop, a flashing red light functions as a stop sign, a flashing yellow arrow indicates a permissive turn after yielding to oncoming traffic, and right turns on red are permitted after stopping completely. Parking regulations mandate parking within 18 inches of the curb and prohibit parking within 15 feet of a fire hydrant, 20 feet of a crosswalk, or 30 feet of a stop sign.
Sharing the Road with Other Vehicles
Motorists must safely share Arizona roadways with pedestrians, bicyclists, motorcyclists, and commercial vehicles. Drivers must yield the right-of-way to pedestrians crossing within marked or unmarked crosswalks. When passing bicyclists, Arizona law requires drivers to maintain at least three feet of clearance between the vehicle and the bicycle until safely past.
Under Arizona's Move Over Law, motorists approaching stationary emergency vehicles, law enforcement cars, tow trucks, or highway maintenance vehicles displaying flashing warning lights must change to an adjacent lane if safe, or slow down significantly. Drivers must stop at least 20 feet from a school bus with flashing red lights and extended stop arm, unless traveling in the opposite direction on a divided highway separated by a physical median. Commercial trucks have large blind spots ('No-Zones') extending 20 feet in front and 200 feet behind.
Actively Avoiding Crashes
Arizona's climate presents extreme driving hazards, including monsoon dust storms (haboobs), flash flooding, and severe desert heat. During a dust storm with zero visibility, drivers must follow official MVD safety protocols: immediately pull completely off the paved roadway, turn off all vehicle lights, set the emergency brake, and remove your foot from the brake pedal to prevent trailing vehicles from colliding with your rear end.
Flash flooding across desert washes poses lethal risks; under Arizona's 'Stupid Motorist Law' (ARS 28-910), drivers who bypass barricades into flooded washes can be held legally liable for up to $2,000 in emergency response and rescue costs. Headlights must be turned on from sunset to sunrise, whenever windshield wipers are in continuous use, and whenever visibility drops below 500 feet (high beams must be dimmed within 500 feet of oncoming traffic and 200 feet when following).
Handling Emergencies and Driving Under the Influence
Arizona enforces some of the strictest Driving Under the Influence (DUI) laws in the nation. The legal blood alcohol concentration (BAC) limit is 0.08 percent or higher for noncommercial drivers age 21 and older, 0.04 percent for commercial drivers, and 0.00 percent (zero tolerance) for drivers under 21. Arizona law establishes enhanced penalties for Extreme DUI (BAC of 0.15 percent or higher) and Super Extreme DUI (BAC of 0.20 percent or higher), which carry mandatory jail sentences of up to 45 days, steep fines, and mandatory Ignition Interlock Device (IID) installation.
Under Arizona's Implied Consent Law, anyone operating a motor vehicle on public roads automatically consents to chemical breath, blood, or urine testing following a lawful DUI arrest. Refusing to submit to a chemical test results in an immediate administrative license suspension of 12 months for a first refusal and two years for a second refusal within an 84-month period.
Law Enforcement and Traffic Violations
The Arizona MVD administers a Driver License Point System to track traffic convictions. Accumulating 8 or more demerit points within a 12-month period results in a mandatory license suspension of up to one year or required attendance at Traffic Survival School (TSS). Major violation point values include: 8 points for DUI, Extreme DUI, or reckless driving, 6 points for aggressive driving, 3 points for speeding, and 2 points for seat belt violations.
Arizona law requires all motor vehicles registered in the state to maintain continuous motor vehicle liability insurance coverage with minimum policy limits of $25,000 for bodily injury to one person, $50,000 for total bodily injury per crash, and $15,000 for property damage (25/50/15). All front-seat occupants and all passengers under 16 years of age must wear seat belts, and children under eight years of age or under 4 feet 9 inches tall must be secured in an approved car seat or booster seat.