Arizona CDL Disqualifications: Offenses, DUI, and Reinstatement

Arizona CDL disqualifications are governed by A.R.S. § 28-3312, which sets minimum penalties ranging from 60 days for accumulated serious traffic violations to a one-year ban for a first major offense, with a lifetime disqualification for a second major offense and a permanent, unreducible ban for any felony involving controlled substances committed with a motor vehicle.¹ Some of these penalties apply even when the violation happens in your personal car, which catches many commercial drivers off guard.

Major Offenses: One Year, Minimum

A first conviction for any of the following takes your CDL for at least one year:

Driving a CMV under the influence of alcohol or a controlled substance, or with a blood alcohol concentration of 0.04 or higher.
Refusing a breath, blood, or other test under Arizona’s implied consent law.
Leaving the scene of an accident involving a vehicle you were operating.
Using any motor vehicle to commit a felony.
Negligent operation of a CMV resulting in death, including convictions for manslaughter or negligent homicide.
Operating a CMV while your CDL is already suspended, revoked, canceled, or disqualified.

That last item is its own trap. Driving a CMV while already disqualified is a separate major offense that restarts the clock on a fresh disqualification.¹

If any major offense happens while you are hauling placarded hazardous materials, the minimum jumps from one year to three.¹

Second Major Offense: Lifetime Ban

A second conviction for any combination of the major offenses above, arising from separate incidents, triggers a lifetime CDL disqualification. Arizona counts offenses committed on or after December 31, 1989 for this purpose. ADOT may adopt rules allowing a lifetime disqualification to be reduced to no fewer than ten years, but if the driver picks up another major offense after that reduction, the disqualification becomes permanent with no further relief available.¹

Drug Felonies: Permanent, No Reduction

One category carries an automatic permanent ban with no possibility of reduction: using any motor vehicle to commit a felony involving the manufacture, distribution, or dispensing of a controlled substance, or possession with intent to do so. This is the only Arizona CDL disqualification that offers no path back.¹

Why a DUI in Your Personal Car Still Kills Your CDL

A.R.S. § 28-3312 explicitly includes DUI violations committed while operating a noncommercial motor vehicle. A DUI arrest in your pickup on a Saturday night carries the same one-year CDL disqualification as one in your rig on a Monday morning. The same crossover applies to leaving the scene of an accident and to using a vehicle to commit a felony.¹

The DUI threshold is also different when you are in a CMV. The standard limit for regular drivers in Arizona is 0.08, but for CDL holders operating a commercial vehicle the limit drops to 0.04. A test result at or above 0.04 while driving a CMV triggers both an administrative license suspension and the one-year CDL disqualification.²

Serious Traffic Violations: 60 and 120 Days

Serious traffic violations are less severe individually, but they stack. Two within a three-year period (measured from the date of the violation) result in a minimum 60-day disqualification. A third within that same window adds at least 120 days on top of any existing disqualification.¹

Under A.R.S. § 28-3312(J), the following count as serious:

Speeding 15 mph or more over the posted limit.
Reckless driving.
Aggressive driving.
Racing.
Improper or erratic lane changes.
Following too closely.
Any traffic violation connected with a fatal accident.
Operating a CMV without a valid CDL, without having one on your person, or without the required endorsements.
Texting or using a handheld wireless device while operating a CMV.

These violations count whether committed in a CMV or in a regular passenger vehicle. The statute refers to violations committed in a motor vehicle, not exclusively in a commercial one.¹

Railroad Grade Crossing Violations

Grade-crossing violations have their own schedule. They include failing to slow down and check that the tracks are clear, failing to stop when required, and failing to leave enough space to clear the crossing without stopping on the tracks. Within any three-year window:

First conviction: at least 60 days.
Second conviction: at least 120 days.
Third or subsequent conviction: at least one year.

These match the federal minimums in 49 CFR § 383.51.³

Violating an Out-of-Service Order

An out-of-service order is issued when an inspector finds that a driver or vehicle poses an immediate safety risk, often due to hours-of-service violations, mechanical defects, or driver fitness. Driving in violation of that order has its own penalty tier, with federal floors Arizona must meet or exceed:

First violation in a standard CMV: 180 days to one year.
Second violation within ten years, standard CMV: two to five years.
First violation while hauling hazmat or carrying 16 or more passengers: 180 days to two years.
Second violation within ten years, hazmat or 16+ passengers: three to five years.
Third or subsequent violation within ten years, any vehicle type: three to five years.

ADOT sets the specific penalty within those ranges.³

Letting Your Medical Certificate Lapse

Not every disqualification comes from a traffic stop. Non-excepted CDL holders must keep a current Medical Examiner’s Certificate, renewed at least every 24 months. If the certificate lapses and you don’t update your status with MVD, your CDL is suspended and then revoked. From there you have two options: submit a valid new certificate and pay a reinstatement fee, or downgrade to a standard Class D license.⁴

If you already know you won’t renew the medical certification, downgrade the CDL before the certificate expires. Waiting until after triggers the suspension and revocation process, which costs more and takes longer.

Getting Your CDL Back

Reinstatement is not automatic when the disqualification period ends. If your CDL was disqualified, suspended, or revoked for one year or more, Arizona treats it as expired. You will have to retake all written and skills tests and pay the licensing and reinstatement fees, essentially starting the CDL process over.⁵

For shorter disqualifications under one year, you may be able to reinstate without retesting, though reinstatement fees still apply. Either way, the disqualification stays on your commercial driving record and counts toward the escalating penalties above. A 60-day disqualification today becomes 120 days with another serious violation inside three years, and a one-year major-offense disqualification today becomes a lifetime ban if a second major offense follows.

1
Arizona Legislature. Arizona Code Title 28 – Section 28-3312
2
Arizona Legislature. Arizona Revised Statutes Title 28 – 1321
3
eCFR. 49 CFR 383.51 – Disqualification of Drivers
4
Arizona Department of Transportation. Commercial Driver License FAQ
5
Arizona Department of Transportation. Suspension Revocation