A crash can become financially complicated very quickly when the driver who caused it has no insurance. Their liability coverage would normally pay for your injuries or property damage, but if no policy exists, you may be left looking to your own coverage. That is where uninsured motorist coverage can matter. It is designed to protect you when an at-fault driver has no liability insurance, and in many policies it can also apply to certain hit-and-run crashes.
What uninsured motorist coverage actually pays for
Uninsured motorist coverage, often shortened to UM coverage, is not one identical product nationwide. The details depend on your state and policy. In general, it is divided into bodily injury protection and, where available, property damage protection.
Uninsured motorist bodily injury
Uninsured motorist bodily injury coverage may pay for injuries suffered by you and, depending on the policy, passengers or family members when an uninsured at-fault driver causes a crash. Covered losses can include medical expenses and other injury-related damages up to the policy limits. Some policies or state rules may also allow compensation for lost income, pain and suffering, or other damages tied to the injury.
Uninsured motorist property damage
Uninsured motorist property damage, often called UMPD, can help pay for damage to your vehicle or other covered property when an uninsured driver is at fault. Availability, deductibles, limits, and hit-and-run rules vary by state. In some places, collision coverage may be the main way to pay for vehicle damage instead.
If you carry collision coverage, compare the two rather than assuming they are duplicates. Collision can generally pay for covered crash damage regardless of the other driver’s insurance, while UMPD is tied specifically to losses caused by an uninsured driver.
How uninsured and underinsured motorist coverage differ
Uninsured motorist protection applies when the at-fault driver has no applicable liability insurance. Underinsured motorist coverage, or UIM, addresses a different problem: the driver has insurance, but their limits are too low to cover the full amount of a covered loss.
For example, suppose an at-fault driver has bodily injury liability coverage, but your medical bills and other covered damages exceed what that policy can pay. If you carry UIM coverage and the claim meets your state and policy requirements, your own policy may help with the remaining eligible damages up to your UIM limits.
UM and UIM are often discussed together, but they are not interchangeable. Some states require one or both, some require insurers to offer them, and some allow drivers to reject certain coverage in writing. Your declarations page and state insurance department are better sources than a national rule of thumb when you need to know what applies to you.
Does uninsured motorist coverage include hit-and-run crashes?
Hit-and-run coverage is one of the most useful reasons to review UM protection. A driver who leaves the scene may never be identified, meaning there is no known liability insurer to pursue. UM coverage can apply to hit-and-run injuries in many situations, and some policies also provide property damage protection.
However, the rules are not uniform. A policy or state law may require prompt police reporting, proof of the accident, or specific conditions before a hit-and-run claim is covered. Some jurisdictions have physical-contact requirements for certain claims. After a hit-and-run, report the crash promptly, document the scene, collect witness information if possible, and contact your insurer as soon as practical.
A practical example of how UM coverage can help
Imagine you are stopped at a traffic light and another driver rear-ends your car. You suffer a shoulder injury, need several weeks of treatment, and miss work. The other driver is found responsible but has no valid auto insurance.
If your policy includes uninsured motorist bodily injury coverage, you can make a claim with your own insurer for eligible injury-related damages, subject to your policy limits, exclusions, and state law. If you also have applicable property damage or collision coverage, your vehicle repairs may be handled under one of those coverages. Without that protection, you might have to rely on health insurance, other personal coverage, or attempt to recover money directly from the uninsured driver.
How much uninsured motorist coverage should you consider?
There is no single limit that fits every household. Start by checking your liability limits and the UM/UIM limits shown on your declarations page. Many insurers tie the maximum UM/UIM limits to the bodily injury liability limits you purchase, although rules vary.
Think about the financial impact of a serious injury, including medical expenses, time away from work, and rehabilitation. If you have limited savings to absorb an unexpected loss, higher limits may be worth discussing with your agent or insurer.
For related reading, see our guides to liability insurance limits, collision coverage, and car insurance deductibles to understand how UM protection fits with the rest of a policy.
What to check before buying or changing UM coverage
Read the declarations page and policy wording, then confirm anything unclear with your insurer or state insurance department. Ask whether your coverage includes bodily injury, property damage, or both; whether underinsured motorist coverage is included separately; what deductibles apply; how hit-and-run claims are handled; who is insured under the coverage; and what limits are available.
State requirements change the answer substantially. Do not assume that coverage required in one state is required in another, or that every insurer handles a hit-and-run claim the same way.
Frequently asked questions
Is uninsured motorist coverage required?
It depends on the state. Some states require UM coverage, while others require insurers to offer it and may allow drivers to reject it. Check your state insurance department or policy documents for the current rule where you live.
Does UM coverage pay if the other driver has too little insurance?
Usually that situation falls under underinsured motorist coverage rather than uninsured motorist coverage. UIM can help when an at-fault driver’s liability limits are not enough to cover eligible damages.
Will uninsured motorist coverage pay for my car repairs?
Possibly. Uninsured motorist property damage may cover vehicle damage in states and policies where it is available. Collision coverage may also pay for repairs after a crash with an uninsured driver. The applicable deductible and claim rules depend on your policy.
Can I use uninsured motorist coverage after a hit-and-run?
Often, yes, but state and policy rules matter. Report the crash promptly, document the damage and scene, and follow any police-reporting or notice requirements in your policy.
Why this coverage deserves a closer look
Uninsured motorist coverage is easy to overlook because it protects against someone else’s lack of insurance rather than your own driving mistake. Yet that gap can be costly. Reviewing your UM and UIM limits, property damage options, and hit-and-run rules can show whether your policy would actually protect you if the at-fault driver cannot pay. A few minutes spent checking those details now can prevent unpleasant surprises after a crash.