Wyoming Car Insurance Requirements: Minimums, Fault Rules & Penalties

Wyoming has the lowest population density of any state in the continental United States, and that geography shapes how insurance requirements play out in practice. Routine traffic enforcement is less frequent than in urban states, but the consequences of an accident without coverage in a remote location can be severe — long emergency response times, limited witnesses, and significant distances to medical facilities all increase the stakes. Carrying adequate coverage, including uninsured and underinsured motorist protection, is a practical necessity in Wyoming's environment.

Minimum liability requirements

Coverage type	Minimum required
Bodily injury per person	$25,000
Bodily injury per accident	$50,000
Property damage per accident	$20,000

Wyoming's 25/50/20 minimums are standard for a western state without a no-fault system. The $20,000 property damage limit provides reasonable coverage for a moderate collision, though newer vehicles often cost more to repair. Uninsured motorist (UM) and underinsured motorist (UIM) coverage are not required in Wyoming, but both are strongly advisable. Rural roads see higher rates of single-vehicle and wildlife-related crashes, and when a collision involves another driver, verifying that the other party actually carries valid insurance can take time in remote areas. Adding UM and UIM coverage to your policy closes that gap. Visit the coverage types guide on AIS for a full explanation of how these coverages work.

Proof of insurance must be carried in the vehicle at all times and presented on request.

Fault system

Wyoming is an at-fault state. The driver responsible for causing a crash bears financial liability for the other party's bodily injury and property damage, paid through their liability policy.

Wyoming uses modified comparative fault with a threshold of less than 51%. You may recover damages from an at-fault driver provided your own share of fault is 50% or below. If your fault reaches 51% or more, you are barred from recovering anything. When fault is shared below the threshold, any award is reduced in proportion to your percentage of fault. A driver found 40% at fault with $50,000 in damages would recover $30,000.

Wyoming's rural character means accidents often happen with few or no independent witnesses. Dashcam footage, photographs taken at the scene, and prompt reporting to law enforcement carry more weight in fault determinations when no bystanders were present. A police report from the responding agency — even when response takes time — creates an official record of conditions and party statements.

SR-22 requirements

An SR-22 is a certificate of financial responsibility filed by your insurer with the Wyoming Department of Transportation (DOT). It confirms that your active policy meets at least the state's minimum liability limits. The SR-22 is an endorsement attached to your existing policy, not a separate coverage product.

An SR-22 is required following:

• A DUI conviction
• A reckless driving conviction
• An at-fault accident while driving without insurance

The filing obligation runs for three years from the date the requirement is imposed. If your policy cancels or lapses during that period, your insurer must notify the WY DOT and your license will be suspended. The three-year window continues regardless of any intervening suspension — uninterrupted coverage is required.

Penalties for driving without insurance

Wyoming's low population density means insurance violations are less likely to be detected through routine traffic enforcement than in more urban states. However, post-accident investigations reliably expose uninsured drivers, and the penalties apply regardless of how the lapse was discovered.

First offense:

• Fine of $250 to $750
• Driver's license suspended until proof of current insurance is filed with the WY DOT
• Reinstatement fee required before driving privileges are restored

Subsequent offenses:

• Higher fines within the statutory range
• Extended suspension periods
• Potential SR-22 requirement

Drivers who cause accidents while uninsured also face direct civil liability for all resulting damages. In Wyoming's rural setting, where accidents can involve serious injuries and significant property damage on remote roads, that personal exposure can be substantial. Given the state's environment, adding UM and UIM coverage to a policy is a low-cost way to protect against scenarios where the other party has no insurance or inadequate limits. Request a quote through AIS to find coverage that fits Wyoming's requirements and conditions.