By Evan Reid, Founder of Haul Handbook · Updated Sep 28, 2026
The launch sequence
Federal first, then Arizona. The federal side is identical in every state and is covered in depth by how to get your own authority; the state facts below come from our sourced Arizona data.
- Get the USDOT number from FMCSA. Arizona requires it once a truck or combination in intrastate commerce passes the intrastate weight line, or whenever you haul for hire. Add federal operating authority, a process agent filing, and insurance filings if you will haul for hire across state lines.
- Confirm your operating authority with ADOT if you stay in Arizona. An Arizona-only carrier skips the new-entrant audit, and ADOT asks it to call and confirm the operating authority recorded on its USDOT profile. There is no state authority to buy.
- Register the trucks with the Motor Vehicle Division. Registration carries the annual motor carrier fee for heavier vehicles, priced by declared gross weight. Prequalify for the reduced fee first if your trucks run largely empty.
- Match your insurance to the Arizona minimums. State law sets liability floors by weight and cargo for private and for-hire trucks alike, with higher tiers for listed hazardous materials and passengers. Keep proof ready, because ADOT can ask you to certify coverage.
- File the joint IFTA and IRP application if you run interstate. Specialized Registration Services takes one application for both, and wants an active MC number, Arizona Corporation Commission registration for an entity, and a physical Arizona place of business.
- Open an ADOT ePRO account if your loads run oversize. Class A and envelope permits sell online through ePRO, and Class C permits for the largest loads go through the same system with a review period. Open the account before the first big move is booked.
- Check the emissions test if you register in Phoenix or Tucson. A diesel registered in either metro area needs an annual smoke test before the registration renews. Apportioned trucks are exempt.
- Calendar the recurring deadlines. IFTA returns run quarterly and the license renews each calendar year, IRP renews after ADOT's emailed invitation, registration renews yearly with the motor carrier fee, and the federal MCS-150 updates every two years.
The order that works in Arizona
Federal first. Get the USDOT number from FMCSA, and if you will haul for hire across state lines, the federal operating authority, process agent filing, and insurance filings that go with it. ADOT's IRP and IFTA application asks for the USDOT number and an active MC number before it issues anything.
Then the state layer, which is registration rather than authority. Register each power unit with the Motor Vehicle Division; a vehicle over the weight line pays the annual motor carrier fee with its registration. Match your insurance to the Arizona minimums, which reach private carriers as well as for-hire ones. If you run interstate, file the joint IFTA/IRP application with Specialized Registration Services.
Permits come last, and only if your loads need them. Oversize and overweight work runs through ADOT ePRO, and the route rules attach to each move rather than to your company.
Where Arizona differs from other states
Arizona sells no authority and issues no carrier number, so the USDOT number is the only identifier in the regime. What it does add is money on registration: the annual motor carrier fee for heavier vehicles, cut for carriers that prequalify because their trucks run largely empty.
The base-state rule is strict. Arizona will not issue IRP or IFTA credentials to a carrier with only a virtual office; you need a physical place of business or proof of Arizona residency. And the insurance law sets minimums by weight for every commercial truck over the lower weight line, private or for-hire, rather than following the federal for-hire test.
The Arizona facts you will need
- State agency
- Arizona Department of Transportation (motor carrier safety rules under A.R.S. 28-5204, enforced with the Arizona Department of Public Safety; registration, IRP, and IFTA through the Motor Vehicle Division's Specialized Registration Services)
- State filing fee
- Arizona charges no intrastate operating authority fee because no authority program exists. What an Arizona-based carrier pays the state instead rides on registration: the annual weight-based motor carrier fee (for example $800 at 75,001 to 80,000 pounds under A.R.S. 28-5854) added to registration, plus oversize and overweight permit fees and IFTA and IRP charges recorded in the other files.
The complete tables live on the dedicated pages: intrastate authority, IRP registration, IFTA, and trucking permits.
Budget the launch before you file
The trucking startup cost calculator builds a line-item estimate from the sourced fee data, and the cost pillar explains every line. Neither replaces a quote for your truck and insurance, which are the two biggest variables.
Common mistakes when launching in Arizona
Hunting for an Arizona authority application that does not exist
There is no state intrastate authority to apply for and no fee to pay. The state-side filings are registration, the IFTA/IRP application for interstate work, and a phone check with ADOT on your USDOT profile.
Using a virtual office as the Arizona base
ADOT refuses IRP and IFTA credentials without an established physical place of business or proof of Arizona residency. Line up a lease, business license, or utility bill in the business name first.
Applying before the MC number is active
The joint application requires a USDOT number and an operating authority that is already active. Filing early stalls the whole account.
Assuming federal insurance minimums settle Arizona
Arizona sets liability floors for private carriers too, not only for-hire ones, and applies a higher hazmat tier to any quantity of the listed materials. Match coverage to the sourced Arizona tiers.
Paying the full motor carrier fee on trucks that run mostly empty
A carrier that prequalifies before registration pays a reduced motor carrier fee on a vehicle that runs a large share of its miles empty. Prequalify first, and stay inside the terms, because a breach is a civil traffic violation.
Entering Arizona with only one of the trip permits
An entering truck with no Arizona credentials may need a registration permit, a motor carrier fee permit, and a use fuel permit, bought separately. Missing the fuel permit is a class 2 misdemeanor.
Running a wide load through Phoenix at rush hour
Loads past the curfew width stop during weekday morning and evening windows on listed metro routes in Phoenix, Tucson, and Yuma. Plan around the clock; the rule controls, not an older permit.
Treating a state oversize permit as good on city streets
Class A and Class C permits cover state routes only. A move that leaves the state system needs a permit from the city or county too.