Skip to content A commercial truck claim runs on a different clock than a car claim. You have two years to file suit in Arizona. The carrier is required to keep the records that prove why the crash happened for six months. Everything a Mesa truck accident lawyer does early gets the higher coverage, the extra defendants, the federal rulebook follows from reaching that evidence before it lawfully disappears.
Because of a six-month retention rule. Under 49 C.F.R. § 395.22, a motor carrier must retain a back-up copy of its electronic logging device records for six months on a device separate from where the original data sits. The parallel requirement in § 395.8(k)(1) obliges carriers to keep records of duty status and supporting documents for six months from receipt.
Against Arizona’s two-year deadline the consequence is stark: a claimant who waits a year may find the hours-of-service data lawfully destroyed, and with it the proof that a driver was in hour thirteen of a fourteen-hour window.
So a properly handled truck case opens with a spoliation letter a written demand that the carrier preserve ELD and duty-status records, engine control module data, dispatch communications, the driver qualification file, maintenance records, and any onboard camera footage. Sent early it converts a six-month clock into a preservation obligation; sent late it documents what is already gone.
The carrier, and often parties further up the chain. This is the sharpest contrast with a rideshare claim, where the platform argues its drivers are independent contractors. A motor carrier employing a driver is generally liable for that driver’s negligence within the scope of employment no employment fight required.
The carrier also faces independent theories based on its own conduct:
Further up the chain, a freight broker or shipper may bear responsibility for selecting an unsafe carrier, or where improper loading or securement contributed. Identifying every defendant early matters more in Arizona than in most states, for a reason covered below.
Far more than a car which is why these claims are defended harder. Federal financial responsibility rules in 49 C.F.R. Part 387 set the minimum for a for-hire interstate carrier hauling general freight in a vehicle over 10,001 pounds at $750,000. Hazardous materials raise that to $1 million or $5 million depending on the commodity. Freight brokers post a $75,000 surety bond rather than a liability policy.
Set that against Arizona’s state minimum for an ordinary vehicle $25,000 per person and $50,000 per accident under A.R.S. § 28-4009 and the gap is roughly thirtyfold. Most for-hire policies also carry an MCS-90 endorsement, a federally mandated backstop obliging the insurer to pay a judgment for public protection even where a coverage defense might otherwise apply.
Higher limits change the defense posture. Carriers and their insurers typically send investigators to the scene within hours, and that asymmetry in the first days is the practical argument for moving quickly.
A rulebook that does not exist for ordinary drivers. Violations of it establish the standard of care, and each one creates a document trail worth subpoenaing:
Our statewide guides on Arizona’s state and federal trucking laws and how a truck crash gets investigated go further into both.
A commercial vehicle is instrumented in ways a passenger car is not, and the carrier is a regulated entity with mandatory recordkeeping. That produces evidence with no equivalent in an ordinary collision:
None of it is obtainable by asking the adjuster. It comes through preservation demands and discovery, which is the entire reason the six-month rule dictates the timeline.
Mesa sits on freight corridors rather than beside them. US-60, the Superstition Freeway, carries the east-west commercial load through the middle of the city, and the Loop 202 Red Mountain and Loop 101 Price handle the north-south and cross-Valley runs. SR 24 extends toward the southeast growth corridor.
The concentrations are industrial. Freight activity around Phoenix-Mesa Gateway Airport drives heavy truck volume on Ellsworth, Power, and Williams Field roads, and the Falcon Field industrial area does the same in the northeast. Inside the grid, Main Street, Country Club Drive, Dobson, and Gilbert Road put loaded trailers through signalized intersections with long stopping distances and wide turning radii, the geometry behind right-turn squeeze and underride collisions. Mesa PD generally works city streets while DPS works US-60, the Loop 202, Loop 101, and SR 24, each keeping separate records.
Mesa Municipal Court hears no civil injury suits. Claims above $10,000 are filed in Maricopa County Superior Court; smaller matters go to a Maricopa County justice court.
Fault gets apportioned rather than assigned. Arizona applies pure comparative negligence under A.R.S. § 12-2505, so an award drops by your assigned share with no cutoff. And because A.R.S. § 12-2506 abolished joint and several liability, each defendant is generally responsible only for its own percentage which is precisely why identifying the carrier, broker, and shipper early matters. Fault allocated to a party nobody sued, or to a nonparty at fault, is fault nobody pays.
The filing deadline is generally two years under A.R.S. § 12-542, running from the date of injury or, in a wrongful death action, the date of death. Where a public entity may share responsibility for a roadway design or signal defect, a government-operated vehicle notice is generally due within 180 days under A.R.S. § 12-821.01, then one year to file.
Jason A. Harris has practiced personal injury and workers’ compensation law in Arizona since 2006, representing thousands of injury clients. Clients speak with him directly rather than a case manager. That dual practice matters when a collision happens on the clock, because the compensation claim and the third-party claim run separately with different deadlines and lienholders.
Cases run on a contingency fee, no retainer, no hourly billing, and no attorney fee unless compensation is recovered. Case costs, including accident reconstruction and download of electronic data, are advanced and reimbursed from any recovery, with terms in writing before you sign. Consultations are free.
Because impact forces are far higher, these files run toward brain injury and spinal cord injury claims. Mesa commercial vehicle accident lawyers also handle the car accident and uninsured motorist claims from the same corridors, alongside our Mesa personal injury practice.
Six months. Under 49 C.F.R. § 395.8(k)(1) a carrier must retain records of duty status and supporting documents for six months from receipt, and § 395.22(i) requires a separate back-up copy of ELD records for the same period. Because Arizona allows two years to file suit, waiting can mean the records are lawfully gone before a claim is ever made.
Usually both. A carrier is generally liable for its employee driver’s negligence within the scope of employment, and it also faces independent claims based on its own conduct negligent hiring, retention, training, supervision, maintenance, or entrustment. A freight broker or shipper may be liable as well.
Far more than a passenger vehicle. Federal rules set the minimum for a for-hire interstate carrier hauling general freight over 10,001 pounds at $750,000, rising to $1 million or $5 million for hazardous materials. Arizona’s minimum for an ordinary vehicle is $25,000 per person, so the gap is roughly thirtyfold.
Electronic logging device records and GPS data, engine control module downloads, dispatch communications, the driver qualification file, and inspection and maintenance records. None of it arrives by asking an adjuster; it comes through a preservation demand and discovery, which is why the six-month retention rule drives the timeline.
You can still recover. Arizona applies pure comparative negligence under A.R.S. § 12-2505, reducing an award by your percentage of fault with no cutoff. Because A.R.S. § 12-2506 abolished joint and several liability, each defendant pays only its own share so identifying every responsible party early affects what is actually collectable.
Six months is the number that matters. The carrier’s insurer will have an investigator at the scene within hours, and the records that explain the crash are only required to exist for six months.
Harris Injury Law, PLLC 1136 E Campbell Ave, Phoenix, AZ 85014 (480) 800-4878
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This page provides general information about Arizona and federal law and is not legal advice. Reading it creates no attorney-client relationship. Federal motor carrier regulations and Arizona statutes change. Consult a licensed Arizona attorney about your situation.
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