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Arizona Truck Accident Claims: What Victims Need to Know

July 1, 2026 • By Attorney Mike Zara
Commercial semi-truck on an Arizona interstate highway

Arizona's network of interstate highways carries an enormous volume of commercial truck traffic every day. I-10 connects Phoenix to the California and New Mexico borders, I-40 cuts across the northern part of the state along the old Route 66 corridor, and I-17 links Phoenix to Flagstaff through some of the most topographically challenging terrain in the Southwest. Where heavy trucks and passenger vehicles share the same roads, serious accidents happen. When a 40-ton semi-truck collides with a passenger car, the results are almost always catastrophic.

As a truck accident attorney licensed in Arizona, I handle claims involving commercial tractor-trailers, tanker trucks, flatbeds, and delivery vehicles of all sizes. This guide explains what sets truck accident cases apart from ordinary car accident claims, how Arizona's laws affect your ability to recover compensation, and what you need to do immediately after a crash to protect your rights.

Why Truck Accident Cases Are Different

A truck accident claim is fundamentally more complex than a standard two-car collision for several reasons. First, the potential defendants multiply quickly. In a typical car accident, you are dealing with one driver and one insurance policy. In a truck accident, you may have claims against the truck driver individually, the trucking company that employed or contracted with the driver, the company that loaded the cargo if improper loading contributed to the crash, the manufacturer of the truck or a defective component, and sometimes a shipper or freight broker. Identifying all potentially liable parties and preserving claims against each of them is one of the most important tasks in the early stages of a truck accident case.

Second, the regulatory framework is extensive. Commercial motor vehicles operating in interstate commerce are subject to the Federal Motor Carrier Safety Regulations administered by the Federal Motor Carrier Safety Administration (FMCSA). These regulations govern everything from how many hours a driver can operate without rest, to how cargo must be secured, to the maintenance and inspection standards for brakes, tires, and lights. When a trucking company or driver violates these regulations and that violation causes an accident, it can establish negligence per se, meaning you do not have to separately prove that the conduct was unreasonable because the law already defines it as a breach of duty.

Third, the evidence in a truck accident case is uniquely time-sensitive and can be systematically destroyed if you do not act fast. Electronic logging devices (ELDs) record a driver's hours of service. Event data recorders capture vehicle speed, braking, and other operational data in the moments before a crash. Driver qualification files, maintenance records, drug and alcohol testing records, and prior violation histories are all potentially relevant. Trucking companies and their insurers understand this, and they deploy accident response teams quickly after a serious crash. You need an attorney in your corner just as fast.

Arizona's Pure Comparative Fault Rule

Arizona follows a pure comparative fault system under A.R.S. § 12-2505. This means your damages are reduced by your percentage of fault, but unlike states that impose a cutoff at 50% or 51%, Arizona allows you to recover even if you were the majority at fault. If a jury finds you 70% at fault and your total damages are $500,000, you recover $150,000. The rule applies regardless of how fault is allocated.

This is an important distinction from states like North Carolina, which follows pure contributory negligence and bars any recovery if the plaintiff was even 1% at fault. Arizona's approach is significantly more plaintiff-friendly, but it also means defense attorneys will work hard to attribute as much fault as possible to you in order to reduce the verdict. Every piece of evidence that speaks to fault, including dash cam footage, witness statements, pre-crash driver behavior, road conditions, and your own actions in the moments before impact, can affect your final recovery.

In truck accident cases, the defense may argue that you cut off the truck, failed to check your mirrors, or moved into a no-zone area where the driver had no visibility. Understanding how Arizona allocates fault and building a compelling counter-narrative is essential to maximizing your compensation.

Arizona's Two-Year Statute of Limitations

Under A.R.S. § 12-542, personal injury claims in Arizona must be filed within two years of the date of injury. For wrongful death claims arising from a fatal truck accident, the two-year clock runs from the date of death under A.R.S. § 12-612. Missing this deadline almost always results in your case being dismissed, no matter how strong the liability evidence may be.

Two years may sound like sufficient time, but truck accident cases require extensive pre-suit investigation. You need time to subpoena maintenance records, obtain the ELD data, retain a commercial vehicle accident reconstruction expert, identify all defendants, and coordinate with medical experts to document the full extent of your injuries and future care needs. Cases that appear straightforward at the outset often reveal additional complexity. Starting early gives you the best chance of gathering evidence that makes the difference between a modest settlement and a full recovery.

There are limited exceptions to the two-year rule. Claims against a government entity, such as a crash caused in part by a negligently designed or maintained road, require notice to the appropriate governmental authority within 180 days of the accident under A.R.S. § 12-821.01. Claims involving minors are tolled until the minor turns 18. If the defendant fraudulently concealed the cause of injury, discovery rules may extend the filing deadline.

Federal Hours of Service Rules and Driver Fatigue

Driver fatigue is one of the leading causes of serious truck accidents on Arizona's highways. FMCSA hours of service regulations under 49 C.F.R. Part 395 limit how long a commercial driver can operate without mandatory rest. Property-carrying drivers may not drive after accumulating 11 hours of driving time following 10 consecutive hours off duty, and they may not drive after the end of the 14th consecutive hour following their last off-duty period. They are also subject to a 60/70-hour weekly limit depending on whether the carrier operates 7 or 8 days a week.

When drivers violate these rules, whether because they felt pressure from dispatchers to make a delivery window, were paid by the mile rather than the hour creating a financial incentive to push beyond limits, or simply ignored the requirements, the crash risk rises dramatically. ELD data and paper logs can reveal hours of service violations directly. Evidence of prior violations in the driver's safety record can support an argument that the carrier knew about the driver's pattern and failed to address it, potentially supporting a claim for punitive damages.

Cargo Securement Violations

Improperly secured loads are another major cause of truck accidents on Arizona roads. FMCSA regulations at 49 C.F.R. Part 393 specify how different types of cargo must be blocked, braced, tied, chained, or otherwise secured. When a load shifts in transit, it can alter the truck's center of gravity and cause a rollover or jackknife. When cargo falls from an unsecured flatbed, it creates obstacles that can trigger multi-vehicle pileups.

Cargo securement violations create liability not only for the driver and the carrier but potentially for the party that loaded the truck if they are a separate entity. On major commercial corridors like I-10 near Tucson and Phoenix or I-40 near Kingman, cargo-related accidents can be especially devastating at the highway speeds common in Arizona's rural stretches.

Trucking Company Liability Under Respondeat Superior

Under the doctrine of respondeat superior, an employer is liable for the negligent acts of an employee committed within the scope of employment. When a truck driver operating as a company employee causes an accident while on duty, the trucking company is liable for the resulting damages. This matters because the company typically has far greater insurance coverage and assets than the individual driver.

Trucking companies often try to limit liability by classifying drivers as independent contractors rather than employees. Arizona courts look past formal labels to the actual nature of the working relationship. If the carrier controlled the driver's routes, set delivery schedules, provided the equipment, and directed how the work was performed, a court may find an employment relationship regardless of what the contract says. The FMCSA's concept of statutory employment also means that a motor carrier leasing a truck and driver remains liable for that driver's conduct while operating under the carrier's authority.

Common Injuries in Arizona Truck Accidents

The severity of injuries in truck accidents reflects the enormous weight and speed differential between commercial trucks and passenger vehicles. Traumatic brain injuries, spinal cord damage with partial or complete paralysis, multiple bone fractures, internal organ damage, crush injuries, and severe burns are common outcomes. Even crashes at reduced speeds can produce life-altering injuries when a loaded semi-truck strikes a smaller vehicle.

Many truck accident victims require extensive surgical intervention, long-term rehabilitation, and lifetime care for permanent disabilities. Accurately projecting the future cost of care is a critical part of building a truck accident claim. Insurers routinely try to settle cases before the full extent of long-term needs is established. Accepting a settlement too early can leave you without resources for care you will need years down the road. This is another reason why connecting with an experienced Arizona truck accident lawyer quickly is so important.

What to Do Immediately After an Arizona Truck Accident

If you are physically able, document the scene as thoroughly as possible. Photograph the truck, including its license plate, DOT number, and any company name or logo. Photograph the damage to your vehicle, skid marks, debris fields, road conditions, and any traffic control devices in the area. Get the names and contact information of witnesses before they leave the scene.

Call 911 and wait for law enforcement. Arizona requires a report when a crash results in injury, death, or property damage. The official accident report can be valuable evidence, particularly if the investigating officer notes visible violations such as unsecured cargo, apparent driver impairment, or equipment defects.

Seek emergency medical evaluation even if you believe your injuries are minor. Adrenaline frequently masks pain in the immediate aftermath of a crash, and some serious injuries including internal bleeding and concussive brain injuries may not produce obvious symptoms for hours or days. Prompt medical evaluation creates a contemporaneous record that connects your injuries to the accident.

Contact an attorney before speaking with the trucking company's insurance carrier. The insurer's adjuster will attempt to contact you quickly, often within hours of the accident. They may seem sympathetic, but their goal is to limit the company's liability. Recorded statements can be used against you. You are not required to give one.

Once you retain an attorney, one of the first steps is typically sending a formal litigation hold notice to the trucking company requiring them to preserve all evidence related to the crash, including ELD data, maintenance records, inspection reports, driver logs, communications between the driver and dispatch, and any dashcam footage. Without a litigation hold, critical evidence may be routinely deleted or overwritten under the company's normal records retention policies.

What Damages Can You Recover in Arizona?

Arizona places no statutory cap on compensatory damages for personal injury claims. You may recover economic damages including all past and future medical expenses, lost wages from missed work during recovery, future diminished earning capacity if your injuries affect your ability to work long-term, and out-of-pocket costs for transportation, home modifications, and assistive equipment. Non-economic damages for pain and suffering, emotional distress, loss of consortium, and permanent impairment are also recoverable.

Punitive damages are available under Arizona law when the defendant's conduct was guided by evil mind, meaning the defendant intended to injure the plaintiff or consciously pursued a course of conduct knowing that it created a substantial risk of significant harm to others. In truck accident cases, punitive damages may be appropriate when a carrier knowingly allowed a driver with repeated hours of service violations to continue operating, ignored known brake or tire defects, or pressured drivers to meet delivery schedules in ways that foreseeably created crash risk.

Contact a Truck Accident Attorney in Arizona Today

Truck accident claims are among the most complex cases in personal injury law. The defendants are well-funded, the insurance coverage is substantial, and the insurers retain experienced defense teams immediately after a serious crash. Leveling that playing field requires an attorney who knows federal trucking regulations, understands how to obtain and preserve electronic evidence, and has the resources to take a case through litigation if necessary.

Attorney Mike Zara has nearly 20 years of experience representing injury victims in Arizona and throughout the country. He handles truck accident claims, car accidents, and other serious personal injury cases on a contingency fee basis, meaning you pay nothing unless he recovers compensation for you. If you or a family member has been injured in a truck accident anywhere in Arizona, contact Zara Injury Law today for a free, no-obligation consultation.

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Hurt in an Arizona Truck Accident? Get Help Now.

Trucking companies act fast after a serious crash. You need an attorney in your corner just as quickly. Attorney Mike Zara fights for injured victims statewide. Free consultation. No fee unless we win.