If a car, truck, or SUV driver injured you while you were riding in Colorado, a Denver motorcycle accident lawyer can tell you that your case will be fought harder than an ordinary car accident claim. Insurance adjusters routinely assume a rider was speeding, lane filtering unlawfully, or unhelmeted before they know a single fact, and that bias shows up in the first settlement offer. Mandelaris Law, LLC represents injured motorcyclists and the families of riders killed in crashes across Colorado, and the firm moves quickly to preserve the bike, the gear, and the scene evidence that insurers would rather see disappear.

Call (303) 357-9757 for a free consultation. There is no fee unless we recover for you.

Written by Steven Mandelaris, attorney at Mandelaris Law, LLC, licensed to practice in Colorado since 2006. Read the full attorney biography.

Last reviewed and updated: July 2026.

How a Denver Motorcycle Accident Lawyer Can Help Your Claim

Motorcycle claims are decided on perception as much as fact, and insurers know it. Adjusters are trained to raise helmet use, speed, and lane position even when none of those things caused the crash, because a jury pool that has never ridden a motorcycle can be receptive to the argument that riders assume extra risk. A Denver motorcycle accident lawyer levels that imbalance by building a case around physical evidence, not stereotypes.

What Mandelaris Law Does From the First Call

• Sends an investigator to photograph the scene, skid marks, sight lines, and roadway defects before they are repaved or altered.
• Preserves the motorcycle and protective gear in their post-crash condition, since damage patterns on a helmet, jacket, or frame often prove or disprove speed and impact angle far better than witness memory.
• Requests 911 dispatch recordings, body camera and dash camera footage, and nearby business or traffic camera video before standard retention periods expire.
• Obtains the at-fault driver’s cell phone records when distracted driving is suspected under C.R.S. 42-4-239.
• Coordinates with treating physicians so the medical record accurately reflects the connection between the crash and every injury, including injuries that surface days later.
• Handles every conversation with the insurance company, so a rider is never pressured into a recorded statement that can be used to shift blame.
• Calculates the full value of the claim, including future medical care and lost earning capacity, before any settlement number is discussed.
• Prepares every case as if it will go to trial, which is what gives a demand letter its weight in negotiation.

Colorado Motorcycle Accident Claims at a Glance

• Deadline to file suit: three years from the collision for a personal injury claim under C.R.S. 13-80-101(1)(n)(I). A wrongful death claim must be filed within two years under C.R.S. 13-80-102(1)(d). A claim against a government entity requires written notice within 182 days under C.R.S. 24-10-109.
• Fault rule: Colorado applies modified comparative negligence with a fifty percent bar under C.R.S. 13-21-111. A rider who is less than fifty percent at fault recovers, reduced by that percentage; a rider found fifty percent or more at fault recovers nothing.
• Damage caps: noneconomic damages are capped at $1,500,000 for actions filed on or after January 1, 2025, and at $2,125,000 in a wrongful death action, under C.R.S. 13-21-102.5. Economic damages, and physical impairment or disfigurement, are not subject to this cap.
• Minimum auto insurance: Colorado drivers must carry at least $25,000 per person and $50,000 per accident in bodily injury liability coverage, and $15,000 in property damage coverage, under C.R.S. 10-4-620.
• Helmet law: Colorado does not require a helmet for a motorcycle operator or passenger who is eighteen or older; a helmet is required only for riders under eighteen, under C.R.S. 42-4-1502(4.5).
• Lane filtering: since August 7, 2024, a motorcycle may filter past stopped traffic in the same lane under narrow conditions set out in C.R.S. 42-4-1503(3)(b), created by Senate Bill 24-079. Lane splitting between moving vehicles remains illegal.

Colorado Motorcycle Accident Statistics

The Colorado Department of Transportation tracks motorcycle fatalities every year, and the recent numbers show why insurers fight so hard over rider cases: motorcyclists are a small share of vehicles on Colorado roads but a disproportionate share of the deaths.

• Colorado recorded a record high of 165 motorcycle fatalities in 2024.
• Motorcycle fatalities made up roughly 24 percent of all Colorado traffic deaths in 2024, even though motorcycles account for only about 3 percent of registered vehicles in the state.
• Colorado recorded 147 motorcycle fatalities in 2025, an 11 percent decrease from 2024.
• Rider deaths in November and December 2025 rose 167 percent compared to the same two months in 2024, which CDOT has attributed in part to unusually warm weather extending the riding season later into the year.
• 49 percent of Colorado motorcyclists killed over the last five years were not wearing a helmet at the time of the crash.

These figures come directly from CDOT’s published motorcycle safety data, linked in the sources section below. They are not a substitute for the facts of an individual case, but they help explain why documenting exactly what happened, and who was at fault, matters so much in a motorcycle claim.

Common Types of Motorcycle Crashes

• Left-turn collisions. A driver turns left across an intersection or driveway directly into an oncoming motorcycle’s path, misjudging its speed or not seeing it at all. This is consistently the most common pattern in serious motorcycle crashes.
• Lane-change and blind-spot collisions. A driver merges or changes lanes without checking for a motorcycle riding in a blind spot or closing quickly.
• Rear-end collisions. A following driver, often distracted, fails to stop in time when a rider slows or stops in traffic.
• Road-defect and debris crashes. Potholes, uneven pavement, gravel, faded lane markings, or debris that a car would absorb without incident can throw a motorcycle down.
• Dooring incidents. A parked car’s door opens into a travel lane or bike lane as a motorcycle passes.
• Single-vehicle crashes. Loss of control from a road hazard, an animal, weather, or a defect in the motorcycle itself, without contact from another vehicle.
• Lane-filtering and lane-splitting disputes. Since Colorado’s 2024 lane-filtering law took effect, a growing number of claims turn on whether a rider was filtering lawfully between stopped traffic, or splitting lanes between moving vehicles, which remains illegal and can affect fault.
• Multi-vehicle chain-reaction crashes. A rider is caught in a pileup triggered by another vehicle’s sudden stop or collision.

Common Causes and the Regulations Behind Them

Most motorcycle crashes trace back to a driver who failed to see the rider, misjudged the rider’s speed, or was distracted, impaired, or careless. Colorado law addresses several of these failures directly.

• Failure to yield on a left turn. A left-turning driver must yield to oncoming traffic close enough to be an immediate hazard under C.R.S. 42-4-702. Violating this duty is one of the clearest theories of liability in a motorcycle case.
• Distracted driving. Colorado restricts wireless phone use while driving under C.R.S. 42-4-239; texting or scrolling behind the wheel is powerful evidence of negligence when it caused a driver to miss a motorcycle entirely.
• Impaired driving. Driving under the influence of alcohol or drugs is prohibited under C.R.S. 42-4-1301, and a DUI citation or conviction arising from the crash strongly supports both the liability case and, in serious cases, a claim for exemplary damages.
• Speeding and following too closely. Both reduce the time a driver has to identify and react to a motorcycle, and both are cited constantly in rear-end and intersection crashes.
• Inattentional blindness. Researchers and safety agencies have long documented that drivers scanning for other cars are statistically less likely to consciously register a motorcycle’s smaller visual profile, even when it is directly in view. This is not a legal defense for the driver, but it explains why so many crash reports include the phrase “did not see the motorcycle.”
• Road design and maintenance defects. When a pothole, drainage grate, faulty signal, or debris left by a government contractor causes a crash, the claim may run against a public entity, which brings the strict 182-day notice requirement of C.R.S. 24-10-109 into play.
• Rider-side factors. Unlawful lane splitting, riding without the proper endorsement, or excessive speed can all become comparative-fault arguments, which is why documenting the rider’s actual conduct early in the case matters.

Who Is Liable in a Colorado Motorcycle Accident

• The other driver. Most motorcycle claims are ordinary negligence claims against a driver who violated a traffic law or the general duty of reasonable care.
• A government entity. When a road defect, a malfunctioning signal, or a hazard left by road crews causes the crash, the Colorado Governmental Immunity Act allows a claim, but only if written notice is given within 182 days under C.R.S. 24-10-109, and the Act’s damage limitations apply.
• A product manufacturer. If a defective tire, brake system, or motorcycle component failed and caused or worsened the crash, a products liability claim may run alongside the negligence claim.
• A bar or vendor. Colorado’s dram shop statute, C.R.S. 44-3-801, allows a narrow category of claims against a business that served alcohol to a visibly intoxicated or underage patron who then caused a crash; these claims are limited by statute and require early evaluation.
• Multiple defendants. When more than one party contributed to the crash, Colorado apportions liability among defendants and any designated nonparties under C.R.S. 13-21-111.5, which makes early identification of every responsible party important.

Evidence Preservation

Motorcycle evidence disappears faster than most people expect. A damaged bike gets sent to salvage, gear gets thrown away at the hospital, and a resurfaced road erases the pothole that caused the crash. Acting quickly protects the case.

• Scene photographs showing the final rest positions, skid or scuff marks, sightlines, and any road defect or debris.
• The motorcycle itself and all protective gear, including the helmet, in their post-crash condition, before repair, disposal, or insurance salvage.
• 911 dispatch recordings and the responding officer’s crash report, including any citations issued.
• Dash camera, doorbell camera, traffic camera, and nearby business surveillance footage, which is frequently overwritten within days to a few weeks.
• Witness names and contact information, gathered before memories fade.
• The at-fault driver’s cell phone records, when distraction is suspected.
• Complete medical records and imaging from every provider, to document the full extent of injury.
• Maintenance and inspection records for the roadway, when a government entity or contractor may be responsible.

Colorado Law Governing Motorcycle Accident Claims

Deadlines to File a Colorado Motorcycle Accident Claim

Comparative Fault

Colorado follows a modified comparative negligence rule under C.R.S. 13-21-111. A rider’s damages are reduced by their own percentage of fault, and a rider found to be fifty percent or more at fault recovers nothing. Because insurers routinely try to shift blame onto the rider in ways they would not attempt with a car driver, how this percentage gets litigated is often the single biggest factor in what a motorcycle case is worth.

The Colorado Helmet Law, and What It Does and Doesn’t Mean for a Claim

Colorado does not require an adult motorcycle operator or passenger to wear a helmet. A helmet is required only for riders under eighteen years of age, under C.R.S. 42-4-1502(4.5), with a narrow exemption for certain enclosed three-wheeled vehicles that meet specific windshield, seatbelt, and speed criteria. For riders eighteen and older, not wearing a helmet is not, by itself, a traffic violation.

That said, insurance companies frequently raise helmet use anyway, arguing that it increased the severity of a head injury. Colorado has a specific statute addressing this issue for seatbelts, C.R.S. 42-4-237, which allows seatbelt non-use to be considered only for mitigating pain and suffering damages, not as evidence of comparative negligence, and only up to a small percentage. Colorado law generally does not require adult motorcyclists to wear a helmet. As a result, the fact that an injured rider was not wearing a helmet does not, by itself, establish comparative negligence or a failure to mitigate damages. Despite this, insurance companies and defense attorneys frequently raise these arguments in an effort to reduce the value of a motorcycle injury claim. Whether and how helmet use affects a specific claim depends heavily on the facts, the injuries, and the arguments raised by the insurer, and this is exactly the kind of issue that should be evaluated by an attorney rather than assumed.

Lane Position and Colorado’s New Lane-Filtering Law

Colorado motorcycles are entitled to the full use of a lane, and two motorcycles may ride abreast in a single lane. Effective August 7, 2024, Senate Bill 24-079 added a new lane-filtering provision to C.R.S. 42-4-1503. Under that provision, a two-wheeled motorcycle may pass a vehicle in the same lane when: the vehicle being passed is stopped; adjacent lanes of traffic moving in the same direction are also stopped; the lane is wide enough to pass safely; the motorcycle’s speed does not exceed 15 miles per hour; and road, weather, and lighting conditions allow the movement to be made safely. The law does not permit passing on the right-hand shoulder, passing to the right in the farthest right-hand lane on a road that is not a limited-access highway, or crossing into an oncoming lane to filter.

This is different from “lane splitting,” which means passing between vehicles that are still moving, and lane splitting remains illegal in Colorado. The lane-filtering provision is not permanent: it is scheduled to repeal effective September 1, 2027 unless the General Assembly acts to continue it, and CDOT is required to deliver a safety data report on the law by January 1, 2027. Whether a rider was filtering lawfully under this new statute, or splitting lanes unlawfully, can materially affect a comparative fault analysis, and it is a fact pattern insurers are already trained to scrutinize.

Damage Caps

For civil actions filed on or after January 1, 2025, Colorado caps noneconomic damages, such as pain and suffering, at $1,500,000, and caps wrongful death damages at $2,125,000, under C.R.S. 13-21-102.5 as amended by House Bill 24-1472. Both figures are scheduled to adjust for inflation every two years beginning January 1, 2028. Economic damages, such as medical bills and lost income, are not subject to this cap, and damages for physical impairment or disfigurement are treated separately and are also not capped. Exemplary damages are available in limited circumstances involving fraud, malice, or willful and wanton conduct, such as many DUI-related crashes, under C.R.S. 13-21-102, but they cannot be requested in an initial complaint and must be added after a prima facie showing.

Motorcycle Licensing and Endorsement

Colorado requires a valid motorcycle endorsement to legally operate a motorcycle on public roads. The Colorado State Patrol administers the Motorcycle Operator Safety Training program, known as MOST, and a rider who completes an approved MOST course can obtain the endorsement at a driver’s license office without additional DMV testing. We were not able to independently verify a specific Colorado Revised Statutes section governing the endorsement requirement itself, so this description is based on CDOT’s own public guidance rather than a cited statute, and it should be confirmed by an attorney if licensing status becomes an issue in a specific claim.

Insurance Coverage in a Motorcycle Claim

Colorado requires every driver to carry at least $25,000 per person and $50,000 per accident in bodily injury liability coverage, and $15,000 in property damage coverage, under C.R.S. 10-4-620. Those minimums are often far too low to cover a serious motorcycle injury, which is one of the biggest practical problems in these cases.

• Uninsured and underinsured motorist coverage. Every Colorado auto insurer must offer UM/UIM coverage, and a policyholder must reject it in writing for it to be excluded, under C.R.S. 10-4-609. When the at-fault driver has no insurance, or carries only the state minimum, a rider’s own UM/UIM coverage can be the difference between a fair recovery and years of unpaid medical bills.
• The rider’s own motorcycle policy. Motorcycle-specific insurance policies can carry different limits, exclusions, and endorsement requirements than a standard auto policy, and coverage details vary significantly between insurers and individual policies, so every policy needs to be reviewed on its own terms rather than assumed to work like a car policy.
• Bad faith claims. If an insurer unreasonably delays or denies a valid claim, Colorado law allows a policyholder to recover up to two times the covered benefit plus attorney fees and costs, under C.R.S. 10-3-1115 and 10-3-1116.
• The collateral source rule. Under C.R.S. 13-21-111.6, most collateral payments a rider receives, such as health insurance payments, generally do not reduce what the at-fault party owes, though the rule has specific mechanics that affect how a verdict is adjusted post-trial.
• Insurer bias. Because motorcyclists face cultural bias in a way car occupants generally do not, adjusters sometimes offer less for comparable injuries. Documenting fault clearly and pushing back on unsupported assumptions early in the claim matters more in a motorcycle case than in almost any other type of vehicle claim.

Damages Available in a Colorado Motorcycle Accident Case

• Economic damages: past and future medical expenses, rehabilitation and long-term care costs, lost wages, and diminished future earning capacity when injuries prevent a return to the same work.
• Property damage: repair or replacement of the motorcycle, gear, and any other damaged property.
• Noneconomic damages: pain, suffering, and loss of enjoyment of life, capped at $1,500,000 for actions filed on or after January 1, 2025 under C.R.S. 13-21-102.5.
• Physical impairment and disfigurement: compensated separately from noneconomic damages and not subject to the same cap, which matters given how common permanent scarring and impairment are in motorcycle crashes.
• Wrongful death damages: economic losses, noneconomic losses capped at $2,125,000, and in some cases a solatium election in place of noneconomic damages, under C.R.S. 13-21-203 and 13-21-203.5.
• Exemplary damages: available in cases involving fraud, malice, or willful and wanton conduct, such as many DUI cases, under C.R.S. 13-21-102, generally capped at the amount of actual damages, with the possibility of an enhanced award in defined circumstances.
• Prejudgment interest: may accrue on certain damages under C.R.S. 13-21-101, which can add meaningfully to a final recovery in cases that take time to resolve.

What Is My Motorcycle Accident Case Worth?

There is no formula that produces an accurate number without a full review of the facts, but the same factors come up in nearly every serious motorcycle claim.

• Severity and permanence of the injury. Traumatic brain injuries, spinal cord damage, amputations, and permanent scarring drive higher valuations than injuries that fully resolve.
• Clarity of liability. A case with a clear traffic violation, a citation, or a DUI arrest is worth more than one with disputed fault.
• Comparative fault percentage. Because Colorado reduces recovery by the rider’s own percentage of fault under C.R.S. 13-21-111, disputes over helmet use, speed, or lane position directly affect value.
• Available insurance. A claim can only be paid from what is actually available: the at-fault driver’s liability limits, umbrella coverage if any, and the rider’s own UM/UIM coverage under C.R.S. 10-4-609.
• Quality of documentation. Photographs, preserved gear, video footage, and complete medical records consistently produce stronger settlements than a case built on memory alone.
• Wage loss and future earning capacity. Serious injuries that end or limit a career add substantially to economic damages.
• Type of defendant. Claims against a government entity are subject to the Colorado Governmental Immunity Act’s notice requirements and damage limitations, which can affect both process and value compared to a claim against a private driver.

Common Motorcycle Accident Injuries

• Traumatic brain injury and concussion, which can occur even with a helmet, and are typically more severe without one.
• Road rash, ranging from superficial abrasion to deep tissue damage requiring skin grafts.
• Fractures, especially to the lower extremities, wrists, and collarbone, common enough in motorcycle crashes that some are informally referred to as “biker’s arm” or “biker’s leg.”
• Spinal cord injury, which can cause partial or complete paralysis.
• Internal organ injury from blunt force impact with a vehicle or the roadway.
• Amputation and degloving injuries, particularly to hands, feet, and lower legs.
• Post-traumatic stress and psychological injury following a severe or life-threatening crash.
• Wrongful death, reflecting the disproportionately high fatality rate among motorcyclists relative to other vehicle occupants.

What to Do After a Motorcycle Accident in Colorado

1. Get medical care immediately, even if you feel able to walk away. Adrenaline masks pain, and some injuries, including concussions and internal injuries, do not show obvious symptoms right away.
2. Call the police and make sure an official crash report is generated, even for a crash that seems minor.
3. Photograph everything you safely can: the scene, vehicle positions, the roadway, your gear, and your injuries.
4. Preserve your motorcycle and gear. Do not authorize repair, disposal, or salvage until an attorney has had a chance to inspect them.
5. Get witness contact information before people leave the scene.
6. Avoid giving a recorded statement to any insurance company, including your own, before speaking with an attorney.
7. Do not accept an early settlement offer. Initial offers are almost always far below the true value of a serious injury claim, and accepting one closes the case permanently.
8. Follow through on medical treatment and keep every appointment; gaps in treatment are routinely used by insurers to argue an injury was not serious.
9. Be careful on social media. Insurers regularly search a claimant’s public posts for anything that can be used to dispute the injury or shift fault.
10. Contact a motorcycle accident lawyer promptly. Evidence disappears quickly, and Colorado’s notice deadlines, including the 182-day window for claims against a government entity, can bar a claim long before the three-year statute of limitations would otherwise run out.

How We Handle Your Motorcycle Accident Case

• Free consultation. We review the facts, the injuries, and the available insurance before you commit to anything.
• Immediate investigation. We move on evidence preservation right away, before the bike is repaired, the road is resurfaced, or footage is overwritten.
• Medical coordination. We work with your treatment providers to make sure your medical record fully reflects your injuries and their connection to the crash.
• Demand and negotiation. We build a complete demand package documenting liability and damages, and negotiate directly with the insurer on your behalf.
• Litigation when necessary. When an insurer refuses to offer fair value, we file suit and prepare the case for trial.
• Trial readiness. Every case is prepared as though it will be tried, because that is what produces fair settlement offers in the first place.

Attorney Fees

Mandelaris Law, LLC represents injured motorcyclists on a contingency fee basis. There is no upfront cost, no hourly billing, and no fee at all unless we recover money on your behalf. The initial consultation is always free.

Areas We Serve

We represent injured motorcyclists throughout the Denver metro area and across Colorado, including Denver, Aurora, Lakewood, Boulder, Colorado Springs, Fort Collins, and communities throughout Jefferson County, Arapahoe County, Adams County, and Douglas County. We also handle motorcycle accident claims statewide when the facts of the case warrant it.

Sources

• • House Bill 24-1472, Colorado General Assembly, governing the 2025 noneconomic and wrongful death damage caps.
  • Senate Bill 24-079, Motorcycle Lane Filtering and Passing, Colorado General Assembly.
  • Motorcycle Safety, Colorado Department of Transportation.

• Lane Filtering, Colorado Department of Transportation.
• Colorado Revised Statutes Title 42 (Vehicles and Traffic), Title 13 (Courts and Civil Procedure), and Title 10 (Insurance), current through the 2025 legislative session.

This page is provided for general information about Colorado law and does not constitute legal advice. Reading it does not create an attorney-client relationship. Statutes, regulations, and dollar figures cited here are subject to change and are applied differently depending on the facts of a particular case. Prior results do not guarantee a similar outcome.