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Lone Tree, Colorado roadway. CGH Injury Lawyers handles uninsured motorist claims for Lone Tree crash victims.
Lone Tree, Colorado

Lone Tree Uninsured Motorist Lawyers Who Stand Between You and Your Own Insurer

When the driver who hit you on Interstate 25, Yosemite Street, or RidgeGate Parkway had no insurance, fled the scene, or carried limits too low to cover your injuries, the claim usually has to come from your own auto policy. We represent Lone Tree crash victims in UM and UIM claims against their own carriers. Serving Douglas County from our Denver office. No fee unless we win.

No fee unless we win
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Serving Lone Tree from our Denver Office CGH Injury Lawyers 2701 Lawrence St., Suite 201 Denver, CO 80205 (303) 209-9395 Se habla espanol
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  • Colorado law requires every auto insurer in the state to offer UM/UIM coverage equal to your bodily injury liability limits, and any rejection must be in writing by the named insured (C.R.S. 10-4-609). If you never made a valid written rejection, you may still have this coverage now.
  • UM coverage pays when the at-fault driver had no insurance, fled the scene, or was a phantom vehicle. UIM pays the gap when the other driver had a limit too low to cover your losses. Under C.R.S. 10-4-609(4), buying UM automatically gives you UIM.
  • Because you are filing against your own insurer, the same tactics used on third-party claimants get pointed at you: slow responses, low first offers, and recorded-statement traps. Knowing that going in changes how the claim plays out.
  • At CGH Injury Lawyers, we represent Lone Tree crash victims in UM and UIM claims against their own carriers, serving Douglas County from our Denver office at 2701 Lawrence St., Suite 201. We pull every declarations page, confirm your coverage and any stacking, document the medical record, and prepare every case for trial or arbitration at the Douglas County Courthouse in Castle Rock.

Free first consultation. No fee unless we win. Call (303) 209-9395.

Colorado UM/UIM law decoded for Lone Tree crash victims

The legal framework for uninsured and underinsured motorist claims in Colorado comes from a single statute and a line of cases interpreting it. Here is what it actually means for a driver hurt in Douglas County.

C.R.S. 10-4-609: what the statute requires

  • Every Colorado auto insurer must offer UM/UIM coverage equal to the bodily injury liability limits you buy. You can reject it, but only in writing by the named insured (C.R.S. 10-4-609).
  • Under C.R.S. 10-4-609(4), purchasing UM coverage automatically includes UIM coverage. They come bundled together by operation of law.
  • A 2007 amendment to C.R.S. 10-4-609, effective January 1, 2008, removed the provision that had let insurers reduce UIM by whatever the at-fault driver's carrier paid. Under C.R.S. 10-4-609(1)(c), the coverage sits in addition to the liability recovery and cannot be reduced by a setoff from other coverage. Whether limits from more than one vehicle or policy can be combined is a separate, fact-specific question that depends on the declarations pages, how premiums were charged, and the policy language.
  • A rejection that does not meet the statute's requirements is potentially invalid, which means coverage you thought you did not have may still exist. We review the rejection language before assuming there is no policy to draw from.

The four triggers: when UM/UIM applies

  • The at-fault driver had no liability insurance. Your UM coverage becomes the only practical recovery path when the other driver cannot pay.
  • Hit-and-run. The driver fled before you got a plate, or before you could identify them. Colorado treats an unidentified fleeing driver as uninsured for UM purposes.
  • Phantom vehicle. A driver cut you off or ran you off the road without contact. Colorado allows UM recovery in some phantom-vehicle cases, but corroborating evidence such as a witness or video is typically needed.
  • Underinsured driver. The other driver had coverage, but their policy limit was lower than your documented losses. Their insurer pays its available limit, and your UIM claim covers the remaining gap up to your own UIM limit.

The filing deadline and comparative fault

Colorado UM/UIM claims are governed by C.R.S. 13-80-107.5, the statute the Colorado Supreme Court applied in Pham v. State Farm, 2013 CO 17. The deadline turns on the procedural history of the underlying claim. Your policy may also impose a shorter contractual notice deadline. Missing that notice can give the insurer a defense, so it must be identified early.

Colorado follows a modified comparative negligence rule with a 50 percent bar (C.R.S. 13-21-111). If you are found less than 50 percent at fault, you recover damages reduced by your percentage of fault. If you are 50 percent or more at fault, you recover nothing. Adjusters can push your fault share higher on a UM/UIM claim, which reduces the payout, so challenging that assessment is central to protecting your recovery.

LONE TREE ROADS, COURTS, AND TRAUMA CARE

Where Lone Tree UM/UIM crashes happen, and where your case goes

Uninsured and underinsured motorist claims in Douglas County are shaped by local roads, local courts, and local trauma centers. Here is the ground your case lives on.

High-Risk Corridors

Interstate 25, Yosemite Street, and RidgeGate Parkway

Interstate 25 splits Lone Tree, and two interchanges carry most of what moves through the city. The Colorado Department of Transportation is building the Lone Tree Mobility Hub on Interstate 25 just south of the Lincoln Avenue interchange, adding transit slip ramps on the northbound off-ramp and southbound on-ramp and a pedestrian bridge over the interstate, with completion scheduled for fall 2026.

A second interchange at RidgeGate Parkway opened the eastern half of the city. Ramp terminals are where freeway speed meets a signalized arterial, and that is where rear-end and failure-to-yield collisions cluster.

Yosemite Street is the other spine. Lone Tree, Centennial, and Greenwood Village upgraded the corridor from Lincoln Avenue in Lone Tree to Belleview Avenue in Greenwood Village with sensors and adaptive signal controls rather than added lanes, and adaptive signals have since been activated on the Park Meadows corridor and along RidgeGate Parkway.

Better signal timing moves traffic, but it does not make a driver carry insurance. Regional retail, office, and hospital traffic crossing signalized intersections produces the crash population that triggers UM claims: drivers with no coverage, drivers who leave, and drivers whose minimum-limits policies cannot absorb a serious injury.

Trauma Care

HCA HealthONE Sky Ridge

HCA HealthONE Sky Ridge at 10101 RidgeGate Parkway appears on the Colorado Department of Public Health and Environment's published facility list as a Level II trauma center in Douglas County. The state health department designates trauma centers in Colorado, while the American College of Surgeons runs a separate voluntary program that verifies them. That college describes Level II centers as providing initial definitive trauma care for a wide range of injuries and injury severity.

A Level II trauma center sits inside the city, so a serious crash here often produces one continuous record from the ambulance through discharge rather than a chart split across campuses. A patient who needs more may be transferred to a Level I center in Denver, and then the records from both facilities matter. Medical records carry the weight of your claim at every stage from negotiation through trial, so we collect the complete chain before any demand goes out.

Courthouse

Douglas County District Court (23rd Judicial District)

Personal injury cases arising in Douglas County may be filed in the Douglas County District Court, part of the 23rd Judicial District, at the Douglas County Courthouse, 4000 Justice Way, Castle Rock, CO 80109. Lone Tree runs its own municipal court, but a civil injury suit is not heard there, so a UM/UIM case from this city travels down to Castle Rock. The defendant in a UM/UIM suit is your own insurer rather than the driver who hit you, and Colorado's venue rule allows more than one proper county, so the filing county is a strategic decision.

That district number is newer than much reference material admits. House Bill 20-1026 moved Douglas, Elbert, and Lincoln counties out of the 18th Judicial District and into the newly created 23rd, with a statutory effective date of January 7, 2025. We handle cases filed in the 23rd Judicial District, serving our Lone Tree clients from our Denver office.

Winter Hazards

Storm mornings on a corridor built for destination traffic

Front Range winter weather reaches Lone Tree like the rest of the south metro, and the exposure concentrates where drivers have to change speed. Interchange ramps, the signalized crossings along Yosemite Street, and the approaches into Park Meadows all ask for braking that a glazed surface will not give back.

An adjuster can point to road conditions as a reason to assign you a share of the fault, but that is a comparative-fault argument rather than a coverage one. If the at-fault driver was uninsured, underinsured, or gone before you could identify them, your coverage is triggered on an icy morning exactly as on a dry afternoon in July.

WHY CGH

Why Lone Tree victims choose CGH Injury Lawyers for UM/UIM claims

We serve Lone Tree from our Denver office, and we are honest about what that means: no local storefront, but a licensed Colorado trial team that knows how to build a UM/UIM claim from the policy review through to Douglas County District Court.

The Statute

C.R.S. 10-4-609

Colorado requires your insurer to offer UM/UIM coverage equal to your liability limits. We know the statute, the stacking rules, and how to read a rejection form for flaws an adjuster is not going to point out.

Bad Faith on the Table

When your insurer stalls, we have a remedy.

When an insurer unreasonably delays or denies a valid UM/UIM claim, Colorado gives you a separate statutory bad-faith cause of action under C.R.S. 10-3-1115 and 10-3-1116. We document insurer conduct from day one so that a lowball offer or unexplained delay shifts the negotiation dynamic.

Honest Case Review

We decline cases we cannot stand behind.

Not every crash produces a UM/UIM claim worth pursuing. If your fact pattern does not support one, we will tell you that in the free review rather than sign you up and let the case stall. When the law supports your claim, we fight hard.

Stacking Review

Multiple vehicles may mean multiple limits.

Whether limits from more than one vehicle or policy can be combined depends on the declarations pages, how premiums were charged, and the policy language. We pull every declarations page and every endorsement to find available limits before any demand goes out.

Trial-Ready

ABOTA member. Douglas County is not a problem.

Managing Partner Kevin Cheney is a member of the American Board of Trial Advocates (ABOTA) and has served as Treasurer of the Colorado Trial Lawyers Association. Timothy G. Tarr has been recognized in The Best Lawyers in America for Personal Injury Litigation - Plaintiffs since 2023. Carriers pay attention to which firms are prepared to try a case in the Douglas County District Court.

Bilingual

Hablamos espanol.

Spanish-speaking staff and attorneys serve the Spanish-speaking community in Lone Tree. Language is never a barrier to a free case review.

No Win, No Fee

Contingency only.

You pay nothing out of pocket for legal fees. We advance costs and collect only from a settlement, verdict, or arbitration award.

AFTER THE CRASH

What to do after an uninsured or hit-and-run crash in Lone Tree

The first hours after a crash with an uninsured or fleeing driver set the foundation for the UM/UIM claim. Here is the sequence that protects your recovery.

  1. Get medical care immediately

    If your injuries are serious, emergency transport may take you to HCA HealthONE Sky Ridge, the Level II trauma center in the city, or on to a Level I center in Denver. Seek care even if you feel okay at the scene. Adrenaline masks injury, and a gap in medical treatment gives the insurer a pre-existing-condition argument.

  2. Call law enforcement

    A police report confirming the other driver fled the scene, had no insurance, or could not be identified is essential to a hit-and-run or uninsured UM claim. Lone Tree has its own police department, and its patrol division includes a dedicated mall unit with a substation at Park Meadows Retail Resort. Ask for the report number before you leave the scene.

  3. Document everything at the scene

    Photograph the damage, your injuries, and the crash location. Note nearby businesses with exterior cameras, dashcam footage from other vehicles, and the names of any witnesses. Retention periods vary widely from one business to the next, so identify anything that can corroborate what happened before you leave the scene.

  4. Notify your own insurer promptly

    Your UM/UIM policy may contain a contractual notice requirement shorter than the statutory deadline. Report the crash to your own carrier promptly, but do not give a recorded statement or accept any offer before speaking with us. The insurer may frame the recorded statement as routine, but it can lock you into answers before your medical picture is complete.

  5. Pull your declarations page

    Find your auto insurance declarations page. It shows your UM/UIM limits, whether you have more than one vehicle on the policy, and any endorsements. If you live in a household with other insured vehicles, stacking may be available. Bring that document to the free case review and we will map every dollar of available coverage.

  6. Call us before the adjuster calls again

    Once we are on the case, we handle all insurer communication. We confirm the at-fault driver's uninsured or underinsured status, secure the police report and any available footage, develop the full medical record before any demand goes out, and document every instance of insurer delay or lowballing for the bad-faith record. Call (303) 209-9395.

COMPENSATION

What compensation can Lone Tree UM/UIM victims recover?

A crash with an uninsured or underinsured driver creates the same categories of harm as any serious collision. The difference is that the recovery comes from your own policy. Here is what is available.

Economic damages (not limited by Colorado's non-economic cap)

  • Emergency care at HCA HealthONE Sky Ridge, surgery, and follow-up treatment
  • Future medical costs and rehabilitation
  • Lost wages and lost earning capacity
  • Out-of-pocket expenses tied to the crash and recovery

Non-economic damages

  • Pain and suffering
  • Emotional distress
  • Loss of enjoyment of life
  • Physical impairment and disfigurement, which Colorado treats as a separate category that the non-economic damages cap does not limit (C.R.S. 13-21-102.5(5))

For civil actions filed on or after January 1, 2025, Colorado caps non-economic damages such as pain and suffering at $1.5 million under C.R.S. 13-21-102.5, with inflation adjustments beginning January 1, 2028. Lower caps apply to actions filed before that date, so which cap governs is fact-specific. Economic damages such as medical bills, future care, and lost wages are not limited by that cap, though any UM/UIM recovery is still bounded by the limits on the policy you are claiming under.

Compensation for physical impairment or disfigurement is also not limited by that cap (C.R.S. 13-21-102.5(5)), which matters in serious-injury UM/UIM cases. We structure the demand to reach every available category, including bad-faith penalties when insurer conduct warrants it.

WHAT INSURERS ARGUE

Defenses Lone Tree UM/UIM insurers use, and how we answer them

Your own insurer raises many of the same defenses a third-party carrier would. Knowing what each one actually requires is how a documented claim stays alive.

  1. "The injuries are pre-existing"

    Blanket medical authorizations reaching back many years are a common insurer request, and they can be used to argue your injuries predate the crash. We manage the scope of medical releases and work with your treating providers to document what was caused by the crash versus what existed before it.

  2. "You were partly at fault"

    Colorado's modified comparative negligence rule bars recovery if you are 50 percent or more at fault (C.R.S. 13-21-111). Adjusters can push your fault share toward the 50 percent bar, which would reduce a UM/UIM payment and eliminate it entirely at 50 percent or more. We build the liability record from the crash report, physical evidence, and witness accounts to challenge any inflated fault allocation.

  3. "You validly rejected UM/UIM coverage"

    A rejection must be in writing by the named insured to be valid under C.R.S. 10-4-609. Rejections that fail the statute's requirements can be found invalid. We review every rejection document before accepting that no UM/UIM coverage exists.

  4. "The other driver actually had insurance"

    Drivers sometimes carry expired cards, have coverage lapses, or drive vehicles insured by someone else. We independently verify the at-fault driver's insurance status through law enforcement records and direct insurer inquiry, not just the other driver's word at the scene.

  5. Delay as a strategy

    Slow document requests, file reassignments, and silence after a demand are common. When delay becomes unreasonable, Colorado's statutory bad-faith remedy under C.R.S. 10-3-1115 and 10-3-1116 becomes available. We document the timeline of insurer conduct from first notice forward so that pattern is on record.

THE HARD PART OF THESE CLAIMS

Why filing against your own insurer is different

Most people assume their own insurer is on their side. In a UM/UIM claim, the transaction is adversarial. Understanding why changes how you approach every insurer interaction.

  • In a UM/UIM claim, you are negotiating with your own auto carrier. Every dollar it pays comes off its books. The conflict is structural, not personal.
  • You may have cooperation duties under your policy, including reporting the crash promptly and providing documentation. What cooperation actually requires depends on the policy language, and reading that language carefully matters before you agree to a recorded statement or accept a fault label in the first call.
  • When an insurer unreasonably delays or denies a valid claim, Colorado gives you a separate cause of action under C.R.S. 10-3-1115 and 10-3-1116. A documented bad-faith record is one of the few things that reliably moves a carrier off a low number.
  • Most UM/UIM disputes resolve through negotiation or arbitration, which some policies require before a lawsuit can be filed. We know both tracks and use the one that fits your case best.
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QUESTIONS

Lone Tree UM/UIM claims: frequently asked questions

What is the difference between UM and UIM coverage in Colorado?

Uninsured motorist (UM) coverage pays when the at-fault driver had no insurance, fled the scene, or was a phantom vehicle. Underinsured motorist (UIM) coverage pays the gap when the at-fault driver had insurance but their policy limit was lower than your documented losses. Both come from your own auto policy, and under C.R.S. 10-4-609(4), buying UM automatically includes UIM. A crash at the Lincoln Avenue interchange with an uninsured driver triggers your UM coverage, not the other driver's.

Does Colorado law require me to have UM/UIM coverage?

Colorado law does not require you to buy UM/UIM coverage, but every auto insurer in the state must offer it equal to your bodily injury liability limits under C.R.S. 10-4-609. A rejection must be in writing by the named insured to be valid. Rejections that fail the statute's requirements can be found invalid. So remembering that you declined the coverage does not settle the question, and we read the rejection language on file before accepting that no policy applies.

The driver who hit me on Yosemite Street fled the scene. Do I still have a claim?

Yes. A hit-and-run driver is treated as uninsured under Colorado UM coverage. Report the crash immediately to law enforcement and to your own insurer. Physical evidence, witnesses, and dashcam footage all strengthen the claim, and footage held by businesses and private security systems around Park Meadows or RidgeGate Parkway can be overwritten on a short retention cycle. Do not wait to notify your insurer, because your policy may contain a notice deadline shorter than the statutory filing deadline.

How long do I have to file a UM/UIM claim after a Lone Tree crash?

Colorado UM/UIM claims are governed by C.R.S. 13-80-107.5, the statute the Colorado Supreme Court applied in Pham v. State Farm, 2013 CO 17. The deadline turns on the procedural history of the underlying claim, and your individual policy may impose a shorter contractual notice deadline. Missing that contractual notice can give the insurer a defense. Because the timing is fact-specific, contact a lawyer early after a crash on any Douglas County road.

Can I stack UM/UIM coverage across multiple vehicles in Colorado?

Combining UM/UIM limits across multiple vehicles or policies is fact-specific, not automatic. A 2007 amendment to C.R.S. 10-4-609, effective January 1, 2008, removed the provision that had let insurers reduce UIM by what the at-fault carrier paid. Under C.R.S. 10-4-609(1)(c), the coverage cannot be reduced by a setoff from other coverage. The same subsection also allows a single policy issued for a single premium covering multiple vehicles to be limited to applying once per accident.

I was on my bike when an uninsured driver hit me. Does UM coverage apply?

It can. UM/UIM coverage generally follows the insured person rather than the vehicle, so a policyholder or covered household member struck while cycling or walking may be able to claim under their own auto policy, depending on its terms. Lone Tree mixes foot and bike traffic with arterial traffic around the retail district, the hospital campus, and the light rail stations, and people struck there often assume no auto policy reaches them. Bring the declarations page to the free review.

Where would my Lone Tree UM/UIM lawsuit be filed?

Personal injury cases arising in Douglas County may be filed in the Douglas County District Court, part of the 23rd Judicial District, at the Douglas County Courthouse, 4000 Justice Way, Castle Rock, CO 80109. Lone Tree has its own municipal court, but a civil UM/UIM suit is not heard there. Some UM/UIM policies also require arbitration before a lawsuit can be filed. At CGH Injury Lawyers, we handle both tracks, representing Lone Tree clients from our Denver office at 2701 Lawrence St., Suite 201.

How does Colorado's comparative fault rule affect my UM/UIM recovery?

Colorado follows a modified comparative negligence rule with a 50 percent bar (C.R.S. 13-21-111). If you are found less than 50 percent at fault, you can recover damages, but your award is reduced by your percentage of fault. If you are 50 percent or more at fault, you recover nothing. Adjusters can push your fault share toward the 50 percent bar, which would reduce a UM/UIM payment and eliminate it entirely at 50 percent or more. We build the liability record from the crash report, physical evidence, and witnesses.

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An uninsured driver left the bill with you in Lone Tree. Your own policy is where we start.

Free consultation for Lone Tree crash victims. No fee unless we win. Serving Douglas County from Denver. Call (303) 209-9395.

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