Does Not Wearing a Helmet Reduce Your Motorcycle Accident Settlement in Arizona?

Current as of: September 14, 2026 Motorcycle Accidents Arizona
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Under A.R.S. § 28-964, only Arizona motorcycle riders under 18 must wear helmets. Adults are legally exempt, but adjusters frequently use comparative negligence rules to unfairly reduce settlement offers.

Experiencing a motorcycle crash in Arizona can be physically and financially devastating, particularly if you sustained a head injury. For riders navigating the wide avenues of Phoenix, Tucson, or Scottsdale, knowing exactly how Arizona state law treats helmet use is critical. Because adults are not strictly required to wear helmets, insurance companies often resort to aggressive "helmet defense" strategies, attempting to reduce your valid injury claim simply because your head was unprotected. To aggressively protect your financial rights, we recommend browsing our national directory to hire an experienced local Arizona lawyer who specializes in combating adjuster bias.

Step-by-Step Process for Helmet-Related Injury Claims in Arizona

Handling a catastrophic injury claim in cities like Mesa or Chandler requires meticulous documentation and swift legal action. Because severe head injuries often end up requiring litigation in a local Superior Court, adhering to these essential steps is vital for maintaining the strength of your case.

Step 1: Immediate Medical Evaluation

If you suffered any impact to your head, you must visit an emergency room or a specialized neurologist immediately. Traumatic brain injuries (TBIs) may not present symptoms instantly. Getting early diagnostic imaging establishes a firm medical record that links your injuries directly to the accident.

Step 2: Securing the Accident Report

Obtain the official Form 01-2704A, Arizona, Arizona Department of Transportation, Arizona Crash Report from the responding agency, such as the Arizona Department of Public Safety, Phoenix. Ensure the report accurately reflects the reckless actions of the at-fault driver, as their initial negligence is the primary cause of the crash.

Step 3: Preparing the Claim

Work closely with your chosen legal representative to formally prepare and submit a bodily injury claim form to the at-fault party's insurance carrier. An attorney can preemptively address the lack of a helmet by aggressively focusing on the negligent driver's primary liability.

Comparative Negligence for Adult Riders Without Helmets

In Arizona, the law allows adults aged 18 and older to legally ride without a helmet. However, under Arizona's pure comparative negligence standard (A.R.S. § 12-2505) and the precedent established in Warfel v. Cheney, 157 Ariz. 424 (AZ Court of Appeals 1988), defense attorneys routinely employ the "helmet defense." Under Warfel v. Cheney, 157 Ariz. 424 (AZ Court of Appeals 1988), the defense must produce concrete evidence showing what specific portion of the injuries was attributable to helmet nonuse. If a jury agrees, your total settlement for head and neck injuries could be reduced by your assigned percentage of fault. This is why having strong medical experts to refute this causal link is strictly necessary.

Minors Violating A.R.S. § 28-964

The legal landscape shifts dramatically for younger riders. Under A.R.S. § 28-964, any motorcycle operator or passenger under the age of 18 is legally mandated to wear a properly fitted protective helmet. If a minor is injured in a crash while violating this specific statute, insurance adjusters possess a much stronger legal argument to heavily increase the minor's percentage of comparative negligence. Overcoming this requires expert testimony proving that the injuries would have occurred even if a standard helmet was worn.

Eye Protection Requirements

While adults are broadly exempt from helmet laws, Arizona statute stringently mandates that all riders, regardless of age, must wear protective glasses, goggles, or a transparent face shield unless the motorcycle is equipped with a functional protective windshield. Failing to wear required eye protection can also be weaponized by insurers, particularly if the crash involved vision impairment or facial lacerations.

How We Fight the Insurance Company Head Injury Bias

To vigorously combat the automatic assumption that a lack of a helmet constitutes severe negligence, experienced Arizona attorneys utilize advanced biomechanical engineers and medical specialists. These experts can scientifically demonstrate that the sheer force of the negligent driver's impact was so catastrophic that a standard helmet would not have prevented the specific type of traumatic brain injury (TBI) you suffered.

How Much Does it Cost to Hire a Lawyer in Arizona?

You do not need to pay upfront out-of-pocket expenses to afford premier legal representation in Arizona. Most dedicated motorcycle injury attorneys work purely on a contingency fee basis:

  • Contingency Fees: Typically range between 33.3% and 40% of your final settlement or court verdict. You pay nothing if they do not recover money for you.
  • Superior Court Filing Fees: In the Maricopa County Superior Court, Phoenix, filing a civil personal injury complaint costs $367.00 pursuant to Administrative Order AO 2024-210 and A.R.S. § 12-284.
  • Medical Expert Fees: Retaining specialized neurologists or biomechanical experts to defeat the helmet defense can cost between $2,500 and $6,000, which your lawyer typically advances for you.

How Long Does the Process Take?

Settling a motorcycle accident claim involving complex traumatic brain injuries takes considerable time. Because insurers fight fiercely to minimize payouts using the helmet defense, you should generally expect the process to take anywhere from 9 to 24 months. Achieving maximum medical improvement (MMI) before settling is absolutely essential to ensure all future medical care costs are fully covered.

Frequently Asked Questions (FAQ)

Am I legally required to wear a motorcycle helmet in Arizona?

Only if you are under the age of 18. Adult riders aged 18 and older are not legally required by Arizona law to wear a helmet while operating a motorcycle.

Will not wearing a helmet completely void my injury claim?

No. Not wearing a helmet does not void your claim. However, because of Arizona's pure comparative negligence laws, an adjuster may attempt to reduce your final compensation if you suffered specific head or neck injuries.

What court handles serious motorcycle injury lawsuits?

Lawsuits involving severe traumatic brain injuries and high financial damages are generally filed in the local Superior Court, such as the Maricopa County Superior Court, Phoenix.

Are there any protective gear requirements for adults?

Yes, all riders in Arizona are required to wear approved eye protection (glasses, goggles, or face shields) unless their motorcycle is equipped with an adequate protective windshield.


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