Blog

If you've been hurt in a crash caused by a driver who has no insurance — or not enough — you may be wondering who pays your medical bills, lost wages, and other damages. Uninsured motorist coverage Arizona rules can be confusing, but understanding how this protection works could make an enormous difference in what you're able to recover. At Sher Law Group, our car accident attorneys help injured Arizonans navigate exactly these situations every day, and in this post we want to break it all down in plain language.

The Uninsured Driver Problem in Arizona

Arizona has one of the higher rates of uninsured drivers in the United States. Industry estimates consistently put the number somewhere between 10% and 12% of all drivers on Arizona roads — meaning roughly one in every nine or ten people you share the highway with may be driving without any liability insurance at all. When one of those drivers causes a crash that injures you, the traditional route of filing a claim against their policy simply does not exist. That is precisely why uninsured motorist (UM) coverage exists, and why understanding it matters so much before an accident happens.

What Arizona Law Actually Requires

Under A.R.S. § 20-259.01, every automobile insurer in Arizona is required to offer uninsured and underinsured motorist coverage to policyholders. Importantly, the law does not require you to buy that coverage — but it does require your insurer to offer it to you in writing. If you want to decline UM/UIM coverage, you generally must do so in a signed written rejection. If no written rejection exists, Arizona courts have found that UM coverage may still apply by operation of law. This is a significant consumer protection provision that many injured people are unaware of.

Arizona also requires drivers to carry minimum liability insurance of $25,000 per person / $50,000 per accident for bodily injury, and $15,000 for property damage under A.R.S. § 28-4009. Sadly, even drivers who are technically insured often carry only these bare minimums, which may be far less than what a serious injury actually costs.

Uninsured Motorist Coverage Arizona Explained: UM vs. UIM

There are actually two related but distinct coverages worth understanding:

• Uninsured Motorist (UM) Coverage: This applies when the at-fault driver has no liability insurance whatsoever. Your own insurer steps into the shoes of the at-fault driver and compensates you up to your UM policy limits.
• Underinsured Motorist (UIM) Coverage: This applies when the at-fault driver has insurance, but their limits are not enough to cover your damages. UIM coverage can bridge the gap between what their policy pays and what you are actually owed, up to your own UIM limits.

Both coverages are typically offered together and follow you whether you are in your own vehicle, a friend's car, or in some circumstances even as a pedestrian or cyclist. If you were hurt in a hit-and-run where the driver was never identified, UM coverage can also apply — the phantom vehicle is treated as an uninsured motorist under Arizona law.

What UM/UIM Coverage Can Pay For

UM and UIM coverage is designed to make you whole in much the same way that the at-fault driver's liability insurance would have. That means it can cover:

• Medical expenses, including emergency care, hospitalization, surgery, and ongoing treatment
• Lost wages and loss of future earning capacity
• Pain and suffering and other non-economic damages
• Permanent disability or disfigurement
• Wrongful death damages for surviving family members

What UM/UIM generally does not cover is damage to your vehicle — that falls under a separate collision coverage. It is worth reviewing your declarations page carefully, or asking an attorney to review it with you, so you know exactly what protection you have.

Filing a UM/UIM Claim: Key Steps and Pitfalls

Making a UM or UIM claim against your own insurance company can feel counterintuitive — after all, you pay premiums to these people. But make no mistake: your insurer has a financial incentive to minimise what it pays you, even on a first-party claim. Here is what we advise:

• Report the accident promptly. Most policies require timely notice of a potential UM/UIM claim. Delays can give the insurer grounds to deny or reduce your claim.
• Do not give a recorded statement without legal guidance. Insurers often use recorded statements to find inconsistencies. You have the right to consult an attorney first.
• Document everything. Photographs, police reports, medical records, pay stubs — all of it supports the value of your claim.
• Understand the consent-to-settle requirement. If you are pursuing a UIM claim, Arizona law generally requires you to get your own insurer's consent before settling with the at-fault driver's liability carrier. Settling without that consent can jeopardise your UIM rights.
• Watch the statute of limitations. Arizona's general statute of limitations for personal injury claims is two years under A.R.S. § 12-542, but your policy may have shorter contractual deadlines for UM/UIM claims. Missing these deadlines can be fatal to your case.

What If Your Insurer Acts in Bad Faith?

Arizona recognises the tort of insurance bad faith. Under A.R.S. § 20-461 and established Arizona case law, if your own insurer unreasonably denies, delays, or undervalues your UM/UIM claim, you may have a claim against them for bad faith — potentially including punitive damages in egregious cases. This is another reason why having experienced Car Accidents legal representation matters from the very beginning of the process.

UM Coverage and Pedestrians or Cyclists

One question we hear often is whether UM coverage applies if you were not in a car at the time of the accident. In many cases, the answer is yes. Arizona courts have generally interpreted UM coverage broadly to protect policyholders who are struck by uninsured vehicles while walking or cycling. If you or a loved one was hurt in a hit-and-run as a pedestrian, our personal injury lawyers can review your auto policy to determine whether UM coverage applies to your situation. You may also find our post on Arizona pedestrian accident laws helpful background reading.

How Much UM/UIM Coverage Should You Carry?

We are not in the business of selling insurance, but we do see the results of underinsurance every day. Given the frequency of uninsured drivers and the true cost of a serious injury — medical bills alone for a significant crash can easily exceed $100,000 — we encourage clients to consider carrying UM/UIM limits that match or exceed their liability limits. It is typically one of the least expensive additions to an auto policy relative to the protection it provides.

Talk to an Arizona Car Accident Attorney — Free Consultation

If you have been hurt by an uninsured or underinsured driver, or if your insurer is pushing back on a UM/UIM claim, you do not have to face this alone. Uninsured motorist coverage Arizona law is nuanced, and the difference between a well-handled claim and a poorly handled one can be tens of thousands of dollars. At Sher Law Group PLLC, we offer free consultations and charge no fee unless we win. Call us today at 480-418-7437 or reach out online to speak with one of our Phoenix and Scottsdale car accident attorneys about your options.