Wyoming Commercial Auto Insurance Requirements

Under W.S. § 31-9-405, every business vehicle on Wyoming roads needs at least 25/50/20 in liability coverage. That baseline shifts upward once vehicle weight, passenger capacity or transportation network company (TNC) activity enters the picture.

Learn more about the commercial auto insurance coverage you need for your business in Wyoming, vehicle weight classifications, service type requirements and penalties below.

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# Wyoming Commercial Auto Insurance Requirements

Written by Blest Papio

Updated: March 19, 2026

Advertising & Editorial Disclosure

What Commercial Auto Insurance Is Required in Wyoming?

Wyoming requires commercial auto insurance with at least 25/50/20 liability limits under W.S. § 31-9-405, which also governs commercial auto insurance requirements at the state level:

$25,000 for bodily injury or death of one person per accident
$50,000 for bodily injury or death of two or more people per accident
$20,000 for property damage per accident

Wyoming's 25/50/20 minimums apply to standard commercial vehicles like service vans and local delivery trucks operating within the state, not to for-hire passenger vehicles, heavy trucks over 10,001 lbs or hazmat carriers, which all trigger higher thresholds. A common mistake is assuming a personal auto policy covers a vehicle used for business deliveries, but Wyoming insurers routinely deny claims when the vehicle's actual use doesn't match the policy classification.

Wyoming commercial vehicles carrying non-hazmat freight intrastate must carry coverage based on the vehicle's weight rating, starting at 25/50/20 under 10,001 lbs and jumping to $750,000 CSL at 10,001 lbs. These weight-based tiers don't apply to personal vehicles, farm trucks used exclusively off public roads or vehicles already meeting federal interstate requirements through FMCSA filings.


Under 10,001 lbs	25/50/20 state minimums	Local delivery vans, service trucks
10,001–26,000 lbs	$750,000 CSL (Combined Single Limit)	Box trucks, medium-duty haulers
26,001+ lbs	$750,000 CSL (Combined Single Limit)	Semis, heavy-duty commercial trucks

Wyoming's weight bands reference your GVWR (Gross Vehicle Weight Rating), which is the maximum allowed weight of the vehicle including the truck itself, fuel, driver, passengers and cargo. GVWR isn't the same as your truck's empty curb weight, and many Wyoming operators unknowingly exceed the 10,001 lbs threshold once cargo and equipment are factored in. You can find your GVWR in these places:

On your vehicle: Check the driver-side door jamb, door edge or pillar. It may also appear inside the engine bay, listed as GAWR (axle ratings).
Owner's manual: Section names vary but often in those named specifications, vehicle identification, weight information, towing/trailering and technical data.
Manufacturer website: You can search by your vehicle model for specs on the automaker's website and often find what you need.

Wyoming's for-hire passenger transport rules require $750,000 CSL for intrastate carriers of up to 15 passengers. This applies to hotel shuttles in Jackson, tour vans out of Cody and any other for-hire passenger operation. At 16 or more passengers, federal standards push the minimum to $5 million CSL. These thresholds don't apply to employers transporting workers in company-owned vehicles at no charge.


8 or fewer	$750,000 CSL	Intrastate for-hire passenger service
9–15 passengers	$750,000 CSL	Shuttles, tour vans (intrastate only)
16+ passengers	$5,000,000 CSL	Charter buses, large passenger carriers (federal)

Wyoming's intrastate passenger thresholds don't apply once you cross state lines, and a common misunderstanding is that the 8-passenger tier starts at $250,000 like some neighboring states. In Wyoming, even a single for-hire passenger triggers the $750,000 CSL floor per FMCSA standards.

Wyoming requires TNC drivers to carry 50/100/25 liability coverage while the app is on and $1 million CSL once a ride is accepted, per W.S. § 31-20-107. Coverage obligations split into two periods based on whether a ride request has been matched.


App on, waiting for a ride request	Driver or TNC	50/100/25 liability + uninsured motorist per W.S. § 31-10-101
Ride accepted through passenger drop-off	TNC	$1,000,000 CSL for death, bodily injury and property damage

Wyoming law under W.S. § 31-20-110 excludes TNC drivers from commercial vehicle, common carrier and motor carrier classifications. That exclusion won't help financially if your personal auto insurer denies a $50,000 claim during an active app period.

Wyoming TNC drivers without a specific rideshare endorsement on a personal auto policy have no coverage during the 50/100/25 Period 1 phase if the TNC's policy doesn't respond. Under W.S. § 31-20-107(f), the TNC insurer must cover any claim from dollar one if the driver's own coverage lapses.

Federal FMCSA standards require $1 million to $5 million CSL for all hazmat cargo, regardless of whether your routes stay inside Wyoming. These cargo-based tiers don't apply to businesses hauling non-hazmat general freight, where Wyoming's weight-based coverage rules apply instead.


High-risk hazmat	$5,000,000 CSL	Tanks >3,500 gallons, Class A or B explosives, poison gas, liquefied compressed gas and other substances defined in 49 CFR Part 171
Standard hazmat	$1,000,000 CSL	Regulated materials per federal DOT classifications
Oil transport	$1,000,000 CSL	Petroleum products in any federally regulated quantity
Non-hazmat general freight	$750,000 CSL (10,001+ lbs)	Determined by vehicle weight, not cargo category

Wyoming's $5 million high-risk hazmat threshold applies even to vehicles under 10,001 lbs GVWR. Vehicle size doesn't reduce the coverage floor when dangerous materials are involved.

WHEN DOES FEDERAL LAW APPLY OVER WYOMING LAW?

Federal commercial auto insurance requirements override Wyoming state law when you transport cargo or passengers across state lines, or handle any leg of an interstate shipment even within Wyoming's borders. A frequent compliance mistake is assuming your operation is purely intrastate when a load originates from or is destined for another state, which triggers federal jurisdiction. FMCSA rules don't apply to vehicles under 10,001 lbs GVWR used solely for intrastate non-hazmat work. You can verify which rules govern your operation through the FMCSA insurance filing requirements page or by contacting the Wyoming Department of Transportation.

Wyoming Commercial Auto Insurance Requirement Exemptions

Wyoming exempts seven categories of vehicles from standard commercial auto insurance requirements under W.S. § 31-4-103. The most notable exemption covers vehicles proportionally registered in Wyoming and another state, which can satisfy Wyoming's 25/50/20 minimums by carrying valid coverage that meets the other state's requirements. Full details on all seven categories are available through the Wyoming Department of Transportation website.


Vehicle used exclusively for personal, non-business purposes	Personal auto insurance under W.S. § 31-9-405
U.S. government, state or municipal vehicle that is self-insured	Government self-insurance statutes
Vehicle backed by a surety bond under W.S. § 31-9-408	Surety bond on file with WYDOT
Vehicle backed by cash or securities under W.S. § 31-9-409	Deposit held by state director
Self-insurer with 25+ registered vehicles under W.S. § 31-9-414	Self-insurance certificate (valid 3 years)
Nonresident vehicle registered in an insurance-mandatory state with active coverage	Home state insurance requirements apply
Vehicle confined to private property, never on public roads	No road-use liability requirement

Wyoming's standard 25/50/20 requirements apply in all five of the state's largest municipalities: Cheyenne, Casper, Gillette, Laramie and Rock Springs. A common mistake is assuming a farm vehicle exemption applies when that vehicle also makes deliveries on public roads. Contact the Wyoming Department of Transportation to confirm whether a specific exemption covers your situation.

Wyoming Commercial Auto Insurance Alternatives

Wyoming allows three alternatives to a standard 25/50/20 commercial auto insurance policy under W.S. § 31-9-408 through § 31-9-414. These alternatives vary based on fleet size and financial capacity but don't apply to vehicles that must meet higher federal FMCSA coverage levels.

Surety bond: W.S. § 31-9-408 allows you to file a surety bond meeting Wyoming's 25/50/20 minimums with WYDOT. The bond must come from a surety company authorized to do business in Wyoming, and if the surety cancels, you lose proof of financial responsibility on the same day.

Cash or securities deposit: Under W.S. § 31-9-409, a deposit of cash or approved securities equal to at least $25,000/$50,000/$20,000 with the state director can replace a standard policy.

Self-insurance: W.S. § 31-9-414 opens this option to anyone with more than 25 motor vehicles registered under a single owner, a threshold many small Wyoming fleets misunderstand as applying to 25 total company assets rather than 25 registered vehicles specifically. Qualification requires filing $200,000 plus $100 for every vehicle beyond the first 25, and certificates last three years.

Special Wyoming Commercial Auto Insurance Coverage Circumstances

Four situations in Wyoming create coverage needs beyond the standard 25/50/20 minimums.

Leased commercial vehicles

Wyoming's $20,000 property damage minimum won't cover the remaining balance on a totaled leased vehicle. Gap insurance covers the difference between actual cash value (ACV) and what you still owe on the lease.

Remote and rural operations

Wyoming's population density of roughly 5.8 people per square mile means longer emergency response times and greater distances to repair facilities. Businesses running vehicles in remote corridors for ranching, mining or energy work should evaluate whether their liability limits account for those realities.

Energy sector and oilfield vehicles

Oil, gas and coal operations in Wyoming frequently move vehicles between private lease roads and public highways, and many oilfield service contracts require $1 million or more in liability. If your trucks serve Wyoming energy clients, review both your policy terms and your contractual obligations.

Seasonal fleet changes

Wyoming outfitters, construction firms and tourism operators often scale fleets between summer and winter seasons. A registered vehicle sitting idle can trigger $250 to $750 in penalties under W.S. § 31-4-103 if it lacks active coverage.

Commercial Auto Insurance Enforcement and Penalties in Wyoming

Wyoming law enforcement verifies commercial auto insurance in real time through a statewide electronic database under W.S. § 31-4-103. Drivers who can't produce proof of coverage during a traffic stop get seven days to submit documentation before the state files a misdemeanor charge.


First violation	$250–$750	Up to 6 months	SR-22 filing required. License suspended if proof not submitted within 30 days
Second or subsequent	$500–$1,500	Up to 6 months	Registration and plates surrendered to county treasurer until obligations are met

Wisconsin requires an SR-22 certificate filed by your insurer with WisDOT for reinstatement after insurance-related suspensions, kept active continuously for three years, and any lapse resets the clock. Wisconsin's Safety Responsibility Law under Chapter 344 also imposes additional license and registration sanctions on uninsured drivers involved in accidents, and the state's comparative fault system means you remain financially responsible for damages proportional to your fault with no policy to absorb the cost.

How to Verify Your Business Meets Wyoming Commercial Auto Insurance Requirements

Walk through these seven steps to confirm every vehicle in your Wyoming fleet carries the correct coverage.

1
Identify each vehicle by its primary business use
Determine whether each vehicle transports passengers, hauls cargo, makes local Wyoming deliveries or crosses state lines. Interstate activity triggers federal FMCSA requirements of $750,000 CSL or higher.
2
Check weight ratings
Locate the GVWR on the driver-side door label. Wyoming vehicles at or above 10,001 lbs may trigger federal FMCSA commercial vehicle standards.
3
Sort out state vs. federal jurisdiction
Wisconsin state minimums apply if your vehicles stay local and don't handle interstate shipments. Federal requirements take over the moment a vehicle crosses state lines with cargo or passengers.
4
Match liability limits to the correct category
Wyoming coverage ranges from 25/50/20 for a service van under 10,001 lbs to $750,000 CSL for a 28,000-lb delivery truck. Confirm you're in the right bracket
5
Audit your policy against actual use
Verify that your insurer has classified each Wyoming vehicle correctly under the right coverage tier, whether 25/50/20 or $750,000 CSL. A truck coded as personal use instead of commercial can void your coverage for any business-related claim.
6
Look for Wyoming-specific gaps
Remote operating areas, oilfield contracts requiring $1 million or more, seasonalfleet changes and TNC activity all create scenarios where Wyoming's base 25/50/20 coverage isn't enough.
7
Keep coverage current
Notify your insurer whenever you add, remove or repurpose a vehicle. A registered Wyoming truck without active coverage is a misdemeanor violation carrying $250 to $750 in fines.

Wyoming Commercial Auto Insurance Requirements: Bottom Line

Wyoming commercial auto insurance requirements range from 25/50/20 for standard local vehicles to $750,000 CSL for heavy trucks and $5 million CSL for high-risk hazmat carriers. The next step is confirming each vehicle's liability bracket and making sure your policy matches before you're asked to prove it.

Wyoming Commercial Auto Insurance Requirements: Next Steps

Wyoming's legal minimums range from $20,000 in property damage coverage to $5 million CSL for high-risk hazmat. Requirements set the floor, but your actual risk profile, contracts and fleet makeup should drive the final number.

If your goal is legal compliance

Verify that each vehicle's limits match the correct Wyoming or federal threshold, whether that's 25/50/20 for a light van or $750,000 CSL for a heavy truck. A miscoded vehicle classification can lead to a denied claim when you get commercial auto insurance coverage.

If your vehicles are valuable or highly visible

Wyoming's $20,000 property damage floor is thin. A single collision involving a branded truck in Cheyenne or Casper can exceed that limit fast, so consider higher PD and liability coverage.

If you transport passengers

Even at $750,000 CSL, a multi-passenger injury claim can exhaust your Wyoming coverage quickly. Contracts with hotels, event venues and transit programs often mandate limits above what the state requires.

If you haul goods or equipment

Wyoming minimums range from 25/50/20 for a light pickup to $750,000 CSL for a loaded box truck. Size your coverage to the worst-case load, not the lightest vehicle in your fleet.

If your business signs contracts

Energy companies, general contractors and government agencies across Wyoming frequently set insurance floors of $1 million or higher. Falling short locks you out of the project entirely.

About Blest Papio

Blest Papio is a Content Producer at MoneyGeek specializing in small business insurance. With five years of experience in insurance and finance writing and hands-on perspective as a former business counselor, he understands the risks that come with running a business and what it takes to protect against them.

Blest focuses on commercial auto, cyber, property and specialty business insurance. He digs deep into policy details, regulations and provider offerings so businesses can find the coverage they need and avoid financial fallout. His goal is to translate technical insurance language and insurer offerings into guides you can act on.

Whether you're insuring company vehicles, managing cyber liability or protecting your commercial property, Blest aims to guide you through your risks to help you find coverage you truly need, not sell you a policy.

Read Full Bio »

sources

Federal Motor Carrier Safety Administration. "Insurance Filing Requirements." Accessed March 23, 2026.
U.S. Department of Transportation. "49 CFR Part 171: General Information, Regulations and Definitions." Accessed March 23, 2026.

Wyoming Commercial Auto Insurance Requirements

What Commercial Auto Insurance Is Required in Wyoming?

Wyoming Commercial Auto Insurance Requirements by Vehicle Weight

Wyoming Commercial Auto Insurance Requirements by Passenger Count

Wyoming Commercial Auto Insurance Requirements by Service Type

Wyoming Commercial Auto Insurance Requirements by Cargo Type

Wyoming Commercial Auto Insurance Requirement Exemptions

Wyoming Commercial Auto Insurance Alternatives

Special Wyoming Commercial Auto Insurance Coverage Circumstances

Commercial Auto Insurance Enforcement and Penalties in Wyoming

How to Verify Your Business Meets Wyoming Commercial Auto Insurance Requirements

Identify each vehicle by its primary business use

Check weight ratings

Sort out state vs. federal jurisdiction

Match liability limits to the correct category

Audit your policy against actual use

Look for Wyoming-specific gaps

Keep coverage current

Wyoming Commercial Auto Insurance Requirements: Bottom Line

Wyoming Commercial Auto Insurance Requirements: Next Steps

sources