Utah no-fault auto insurance and PIP threshold — Utah Code Ann. § 31A-22-309 and when you can sue in tort

Utah no-fault auto insurance and PIP threshold under § 31A-22-309: (1) Utah's no-fault system: Utah is one of approximately 12 states with a mandatory no-fault auto insurance system. Under Utah Code Ann. § 31A-22-309, every automobile liability insurance policy issued in Utah must include personal injury protection (PIP) coverage. The minimum PIP coverage required is $3,000 for medical expenses (though policyholders may purchase higher PIP limits); (2) What PIP covers: PIP pays for the injured person's medical expenses, a portion of lost wages, and certain other expenses regardless of who caused the accident. The injured person files a PIP claim with their own auto insurer — not the at-fault driver's insurer. PIP is "first-party" coverage, meaning the injured person deals with their own insurance company for the initial medical and wage loss payments; (3) The threshold to sue in tort: Utah's PIP system limits the right to sue in tort (against the at-fault driver) unless the injured person meets one of four statutory thresholds under § 31A-22-309(2): (a) medical expenses exceeding $3,000 (after adjusting for amounts paid by PIP and other insurance); (b) permanent loss or impairment of a body function; (c) permanent physical or mental impairment; (d) death. A person with soft-tissue injuries totaling $1,800 in medical expenses cannot sue in tort — their remedy is limited to PIP coverage. A person with $4,000 in medical expenses, or any permanent impairment, can sue in tort; (4) Implications for settlement: the threshold system shapes settlement dynamics. Below-threshold claimants negotiate directly with their own PIP insurer. Above-threshold claimants can pursue both PIP recovery and a tort claim against the at-fault driver — but must account for the PIP insurer's subrogation rights (the PIP insurer is entitled to be reimbursed from any tort recovery for the PIP benefits it paid); (5) PIP coverage gaps: Utah's $3,000 minimum PIP coverage was established years ago and has not kept pace with medical costs. A Utah car accident victim with an emergency room visit, imaging, and specialist follow-up can exhaust the $3,000 minimum PIP coverage quickly. Purchasing higher optional PIP limits ($10,000, $25,000, or higher) is important for Utah policyholders; (6) PIP and health insurance coordination: Utah PIP and the injured person's health insurance coordinate benefits. When a Utah car accident victim has health insurance, the health insurer typically pays after PIP is exhausted (or there may be specific coordination language in the health policy). The interaction between PIP, health insurance, and tort recovery is complex and requires careful management to avoid double-paying or inadvertently waiving rights.

Utah modified comparative fault — Utah Code Ann. § 78B-5-818 and the 50% bar (not 51%)

Utah comparative fault under § 78B-5-818: (1) Utah's 50% bar — a critical distinction: Utah uses modified comparative fault with a 50% bar under Utah Code Ann. § 78B-5-818. The rule is: a plaintiff who is 50% or more at fault may NOT recover. This is MORE restrictive than the 51% bar used by most modified comparative fault states (including Connecticut, Oregon, and Oklahoma). In Utah, a plaintiff found to be exactly 50% at fault is barred from recovery — they receive nothing; (2) Below 50% threshold: a plaintiff who is found less than 50% at fault (1% to 49% at fault) can recover damages, but those damages are reduced by the plaintiff's percentage of fault. A plaintiff with $100,000 in damages who is found 30% at fault recovers $70,000; (3) Joint and several liability in Utah: Utah modified the joint and several liability rule through § 78B-5-818 and related provisions. Under Utah's proportionate liability framework, each defendant is generally liable only for their proportionate share of the damages — Utah does not apply traditional joint and several liability. Exceptions exist for specific cases (such as concerted action between defendants); (4) Fault allocation to non-parties: Utah's comparative fault system allows the jury to allocate a percentage of fault to non-party actors (persons not named as defendants in the lawsuit). This non-party allocation can reduce the defendant's liability even if the non-party is not before the court — a significant tactical tool that requires careful pleading and evidence; (5) Threshold interaction with comparative fault: the no-fault PIP threshold and the comparative fault system operate at different stages of an above-threshold Utah car accident case. Once the plaintiff meets the PIP threshold and can bring a tort claim, the comparative fault system governs the apportionment of liability between the plaintiff and defendant; (6) Practical applications of the 50% bar: the 50% bar matters most in ambiguous liability cases — intersection accidents where both drivers claim the other ran a red light; rear-end accidents with evidence that the lead vehicle braked suddenly without cause; sideswipe accidents where both drivers were changing lanes. Insurance adjusters use the possibility of a 50% plaintiff share to justify lower settlements, and defense attorneys use comparative fault as a primary trial theme.

Utah highway accident geography — I-15 Wasatch Front, I-80 Parleys Canyon, and ski resort road accidents

Utah accident geography and road hazards: (1) I-15 and the Wasatch Front inversion fog: Interstate 15 runs the entire length of Utah's primary population corridor — from St. George (Washington County) through Provo (Utah County), Salt Lake City, and the northern Wasatch Front cities (Ogden, Layton, Clearfield, Ogden) to the Idaho border. The Wasatch Front's winter temperature inversions — cold air trapped beneath a warm air cap in the Salt Lake Valley, sometimes lasting days at a time between November and February — create ice fog (freezing fog) conditions that coat I-15 and I-215 (the ring highway around the south and west sides of Salt Lake City) with invisible ice. Pile-up accidents in inversion conditions on I-15 between Provo and Ogden generate some of the largest personal injury claims in Utah, particularly when commercial trucks are involved; (2) I-80 Parleys Canyon: Interstate 80's transit through Parleys Canyon (from the East Bench of Salt Lake City to Park City) drops approximately 1,700 feet over roughly 10 miles, with grades reaching 6-8% on the descent. Westbound commercial truck drivers who have not properly managed their brake temperature on the descent from Summit County into Salt Lake County occasionally lose control — creating catastrophic runaway truck accidents at the Parleys Canyon stretch. UDOT has installed runaway truck ramps on this corridor; (3) SR 210 (Little Cottonwood Canyon) to Snowbird/Alta: State Route 210 through Little Cottonwood Canyon serves Snowbird and Alta ski resorts, with a single two-lane road ascending approximately 10 miles from the canyon mouth to resort level at 8,500-9,000 feet elevation. Weekend and holiday traffic creates concentrated conditions — rental vehicles, unfamiliar drivers, unprepared tires, and avalanche risk closures all contribute to a seasonal accident pattern. SR 210 closures due to avalanche control are routine; (4) SR 224 Park City corridor: State Route 224 serves as the primary access road from I-80 to Park City, Deer Valley, and the Park City Mountain Resort complex. The Kimball Junction interchange where I-80 meets SR 224 is a high-accident location driven by the merger of Wasatch Front commuter and recreational traffic; (5) SR 9 Zion Canyon Road: southern Utah's State Route 9 through Zion National Park connects I-15 at Hurricane to the park's main canyon, with steep grades, sharp curves, and the distinctive 1.1-mile Zion-Mount Carmel Tunnel (built 1930). Tourist drivers (often driving large RVs that require an escort through the tunnel) on SR 9 generate accidents in an area where emergency medical response time is measured in 30-60 minutes from St. George Regional Hospital; (6) Commercial truck accidents on Utah corridors: Utah's I-70 (Colorado border west to I-15 junction), I-80 (east-west freight corridor), and I-15 carry heavy commercial truck traffic. FMCSA compliance (Hours of Service, vehicle inspection requirements, weight limits) is enforced by the Utah Highway Patrol Motor Carrier Division. Commercial truck accident cases in Utah may involve FMCSA violations, employer vicarious liability, and CPLA-based equipment defect claims against truck manufacturers and maintenance providers.

Utah auto insurance minimum requirements and UM/UIM coverage — Utah Code Ann. §§ 31A-22-302 and 31A-22-305

Utah auto insurance requirements: (1) Utah mandatory minimum liability coverage: Utah Code Ann. § 31A-22-302 requires all Utah-registered vehicle owners to maintain minimum liability coverage of: $25,000 per person for bodily injury or death; $65,000 per occurrence for bodily injury or death of two or more persons; $15,000 for property damage. The 25/65/15 structure differs from most states' 25/50/25 — Utah's higher $65,000 per-occurrence limit provides somewhat more coverage for multi-victim accidents; (2) PIP mandatory minimum: in addition to liability coverage, Utah requires minimum PIP coverage of $3,000 for medical expenses under § 31A-22-309. The minimum is low — purchasing enhanced PIP coverage ($10,000-$25,000) is recommended for Utah drivers; (3) Uninsured motorist coverage — optional in Utah: unlike Connecticut, where UM/UIM is mandatory, Utah makes UM/UIM coverage optional — insurers must offer it, but the insured may decline in writing (Utah Code Ann. § 31A-22-305). The Utah UM minimum offered must equal the liability limits; (4) Utah's uninsured motorist problem: the Insurance Research Council estimates Utah's uninsured motorist rate at approximately 8-10% — lower than Oklahoma or Tennessee but still significant. Drivers who do not purchase UM/UIM coverage because it is optional face uncovered losses when struck by an uninsured driver whose PIP coverage does not fully compensate the injured victim; (5) Medical Payments (MedPay): MedPay coverage is available by endorsement in Utah and pays for medical bills up to the limit regardless of fault — similar to PIP but without the wage loss component. MedPay and PIP can coexist on a Utah policy, with MedPay providing supplemental coverage above the PIP minimum; (6) Non-owner auto coverage for rental vehicles: Utah visitors and rental car users should note that Utah's no-fault PIP framework applies when the accident occurs in Utah regardless of the vehicle's registration state. Rental car policies and credit card travel insurance coverage interact with Utah's PIP system in ways that can leave significant coverage gaps if not carefully planned before Utah ski trips or vacation travel.

Utah Government Immunity Act — claims against UDOT and Utah municipalities for highway defects

Utah Governmental Immunity Act (Utah Code Ann. §§ 63G-7-101 through 63G-7-904): (1) General waiver of immunity: Utah's Governmental Immunity Act (GIA, § 63G-7-101 et seq.) provides a limited waiver of sovereign immunity for governmental entities — including the State of Utah (through UDOT for highway claims), Utah counties, and Utah municipalities — for certain negligence claims. Unlike Oregon's claims framework (which requires specific OTCA notice) or Connecticut's Claims Commissioner Act (which requires prior Commissioner approval), Utah's GIA establishes direct notice and filing requirements without a pre-authorization process; (2) Notice of claim requirement: Utah Code Ann. § 63G-7-401 requires that a written notice of claim be filed with the responsible governmental entity within 1 year of the accident or injury. The notice must include: a brief statement of the injury; the time, place, and circumstances; the name and address of the claimant; the amount of damages claimed; and the name and address of the claimant's attorney (if any). Failure to file the § 63G-7-401 notice within 1 year permanently bars the claim — unlike some states where late notice can be excused; (3) Damages cap against governmental entities: Utah Code Ann. § 63G-7-604 caps governmental entity liability at: $700,000 for claims by a single claimant arising out of one occurrence; $2,106,000 for all claims arising out of one occurrence (subject to periodic adjustment for inflation). These caps apply to all claims against a governmental entity combined — meaning the total liability of UDOT, a city, and a county for a single accident is capped at $2,106,000 regardless of the number of claimants; (4) Discretionary function immunity: the GIA preserves immunity for governmental entities performing "discretionary functions" — policy-level decisions about how to design roads, allocate maintenance resources, or prioritize traffic safety improvements. UDOT's decision about where to place warning signs on I-15 is a discretionary function (immune); UDOT's failure to maintain a specific pothole that its maintenance crew was directed to fix is a ministerial (non-discretionary) function (potentially not immune); (5) UDOT highway design vs. maintenance: a key distinction in Utah highway accident claims is between design defects (protected discretionary function) and maintenance failures (actionable ministerial function). A claim that I-80 through Parleys Canyon was negligently designed to allow trucks to brake improperly is likely a discretionary function claim and thus immune. A claim that UDOT failed to place promised warning signs after known brake-failure accidents at a specific location is potentially actionable; (6) Utah municipalities: Salt Lake City, West Valley City, Provo, Ogden, and other Utah municipalities maintain their own road systems, and claims for municipal road defects must also comply with § 63G-7-401's 1-year notice requirement and the GIA's damage caps. Municipal road defect claims are among the most notice-sensitive claims in Utah practice.

Car Accident Laws in Utah (2026)

Sorting out car accidents in Utah: police report path, notice handling, and what deserves review first

Useful car accidents guidance for Utah focused on treatment gaps, repair estimate sequencing, records that matter, and how to avoid avoidable early damage.

Reviewed January 2026 2 min read Official-source grounded Ver en Espanol En Español

Key Takeaways

NO-FAULT PIP MANDATORY (Utah Code Ann. § 31A-22-309): minimum $3,000 PIP for medical; PIP = first-party claim with own insurer regardless of fault; THRESHOLD to sue in tort: (1) medical expenses >$3,000 OR (2) permanent loss/impairment of body function OR (3) permanent impairment OR (4) death; below threshold = PIP remedy only; above threshold = can pursue tort claim against at-fault driver; PIP insurer has SUBROGATION right against tort recovery; minimum limits: 25/65/15 (§ 31A-22-302) — note: $65K per-occurrence (not $50K like most states)
Modified comparative fault: Utah Code Ann. § 78B-5-818; 50% BAR (not 51% like most states) — exactly 50% at fault = ZERO recovery; below 50% = damages reduced proportionally; proportionate (not joint and several) liability among defendants; fault allocation to NON-PARTIES allowed (jury can assign % to absent persons, reducing defendant's share); UM/UIM: OPTIONAL in Utah (insurer must offer; insured may decline in writing — § 31A-22-305); CT + OR mandatory vs. Utah optional
Wasatch Front winter inversion fog (Nov-Feb): I-15 between Provo-SLC-Ogden corridor, I-215 ring highway = black ice/ice fog = pile-up accidents; I-80 Parleys Canyon (East Bench of SLC to Park City): 1,700ft drop over 10mi, 6-8% grade → runaway truck accidents → UDOT runaway truck ramps installed; SR 210 Little Cottonwood Canyon to Snowbird/Alta: single two-lane road, 10mi ascent to 8,500-9,000ft, avalanche closures, unfamiliar rental drivers; SR 224 Kimball Junction (I-80 to Park City): high-accident interchange
Government Immunity Act (§§ 63G-7-101-904): 1-year written notice of claim required to responsible governmental entity (§ 63G-7-401); missing 1-year deadline = PERMANENTLY BARRED (no excuse); damage cap: $700K/single claimant, $2,106M/occurrence (§ 63G-7-604, inflation-adjusted); discretionary function (road design/resource allocation) = immune; ministerial function (failure to fix directed repair) = potentially actionable; SOL personal injury: 3 years (Utah Code Ann. § 78B-2-307)
Commercial truck accidents: I-70/I-80/I-15 freight corridors; Utah Highway Patrol Motor Carrier Division FMCSA enforcement; Hours of Service compliance; SR 9 Zion Canyon Road: steep grades + Zion-Mount Carmel Tunnel 1.1mi (1930-built) + tourist drivers + large RV escort required + emergency response 30-60min from St. George Regional Hospital; ski resort road accidents: seasonal pattern = rental vehicles + unfamiliar winter drivers + concentrated weekend traffic

Key Numbers — Utah All 50 states →

Filing Deadline 4 years

Fault Rule Modified Comparative

Insurance System No-Fault

Key Statute Utah Code § 78B-2-307

Compare with another state → Official source ↗

Utah sits at the confluence of two legal frameworks that most American drivers don't encounter simultaneously: a mandatory personal injury protection (PIP) no-fault insurance system and a modified comparative fault rule with a threshold that is lower than any other state in the country. Under Utah Code Ann. § 31A-22-309, every Utah auto policy must include minimum PIP coverage of at least $3,000 for medical expenses — and an injured Utah driver must first exhaust that PIP coverage and meet a threshold (medical expenses exceeding $3,000, a permanent impairment, significant disfigurement, or death) before they can step outside the no-fault system and sue the at-fault driver in tort. This PIP-first structure means Utah car accident cases move differently from tort-only states: the initial focus is on PIP claims with the injured driver's own insurer, followed by a threshold determination, and only then — for those who meet the threshold — the comparative fault system under § 78B-5-818 comes into play. Unlike most comparative fault states (where the plaintiff must be 50% or less at fault), Utah's 50% bar means that a plaintiff found to be exactly 50% at fault is barred from recovery — not merely reduced.

Utah's highway geography shapes where accidents cluster and what types of claims arise. Interstate 15, which runs 399 miles through Utah from the Arizona border at St. George north to the Idaho border near Brigham City, carries the state's heaviest commercial truck traffic and is the artery through the heart of the Wasatch Front — the urbanized corridor where roughly 80% of Utah's 3.4 million residents live in the counties of Salt Lake, Davis, Weber, and Utah. The Wasatch Front's notorious winter inversion events — temperature inversions that trap cold air and ice fog in the Salt Lake Valley between November and February — create recurring black ice conditions on I-15 and I-215 that generate severe multiple-vehicle accidents. I-80 over Parleys Canyon (the I-80 segment between Salt Lake City and Park City, descending from 6,800 feet elevation into the valley at a grade that catches truck drivers off guard) is among Utah's most dangerous freight corridors. And the canyon roads to Utah's ski resorts — State Route 210 to Snowbird and Alta, Route 190 into Big Cottonwood Canyon, and Route 224 into Park City — generate a distinctive seasonal accident pattern driven by a combination of winter conditions, unfamiliar drivers renting ski vehicles, and concentrated weekend traffic.

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