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How to File a Claim for an 18-Wheeler Truck Crash?..

Written by Remington Fang

January 28, 2026

Truck accidents involving commercial vehicles often leave Denver drivers facing severe injuries, complex insurance disputes, and unanswered questions about their legal options. When a collision involves a fully loaded semi-truck, the aftermath extends far beyond vehicle damage. Victims often need clear guidance on how to pursue a claim for an 18-wheeler truck crash, especially when multiple parties, federal regulations, and high-dollar insurance policies come into play. At Fang Injury & Accident Lawyers Denver, we approach these cases with a comprehensive understanding of how Colorado truck accident claims work and what injured individuals need to protect their rights and secure a financial recovery.

Overview of Truck Accidents in Colorado

Large truck crashes continue to pose real risks on Colorado roads, especially in and around Denver. Tractor-trailers move through I-25, I-70, and major surface streets every day, and when a collision happens, the sheer size and weight of these vehicles can turn an ordinary drive into a life-altering event.

Data from the Federal Motor Carrier Safety Administration shows 1,542 vehicles involved in fatal and non-fatal large truck and bus crashes statewide in 2025, making it the most current statewide data available. These figures highlight how frequently commercial trucks are involved in serious accidents and why such cases often require extensive investigation and involve significant financial stakes.

Truck accidents also carry layers of complexity beyond the numbers. Many involve interstate carriers and federal safety rules that do not apply to typical passenger vehicle crashes. These differences influence how fault is assessed, which insurance coverage comes into play, and how the overall value of a claim is evaluated.

claim for an 18 wheeler truck crash

How Is Fault Determined in a Truck Accident?

Fault in a truck accident is determined by analyzing negligence, regulatory violations, and causation. Colorado follows a modified comparative negligence system, which allows fault to be shared among multiple parties, but recovery depends on demonstrating that another party bears the greater responsibility.

Determining fault involves far more than a police report. Evidence such as driver logs, electronic control module data, maintenance records, cargo documentation, and surveillance footage often plays a central role. Investigators examine whether safety rules were followed and whether the trucking company properly maintained the vehicle.

In many situations, responsibility extends beyond the driver. Trucking companies, vehicle owners, maintenance providers, freight loaders, or manufacturers may share liability if their actions contributed to the collision. Establishing fault is a critical step in building a strong claim for an 18-wheeler truck crash, as it directly affects insurance coverage and potential compensation.

Main Causes of Truck Accidents

Truck accidents often result from preventable issues related to driver conduct, company oversight, or mechanical failures. Identifying these causes helps explain why truck accident claims involve more complexity than standard car crashes.

Several recurring factors appear in serious truck collisions, including:

  • Driver fatigue from hours-of-service violations or demanding delivery schedules pushing operators beyond safe driving limits.
  • Distracted driving, including mobile device use or in-cab systems diverting attention from surrounding traffic.
  • Speeding or driving unsafely due to road, traffic, or weather conditions, especially in congested or hazardous areas.
  • Improperly loaded or unsecured cargo shifting during transit and affecting vehicle stability.
  • Mechanical failures, such as brake problems or tire blowouts caused by poor inspection or maintenance practices.
  • Inadequate driver training or supervision by trucking companies responsible for safety compliance.
  • Driving under the influence of alcohol, drugs, or certain medications impairs judgment and reaction time.

Each of these factors can involve different responsible parties and insurance policies. Clearly identifying what caused the collision strengthens a claim for an 18-wheeler truck crash and helps ensure the compensation pursued reflects the full scope of injuries and losses.

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What to Do If I’m Involved in an 18-Wheeler Truck Accident?

What you do in the moments and days after a truck accident can influence both your physical recovery and how your claim unfolds. These crashes often lead to serious injuries, so well-considered actions help safeguard your health and preserve key details tied to the collision.

After ensuring immediate safety, call 911 to request emergency assistance. Colorado Revised Statutes Section 42-4-1603 requires drivers involved in injury crashes to stop, exchange identifying information, and provide reasonable aid when practical.

Once responders arrive, shift your focus to medical care. Even injuries that feel minor deserve prompt evaluation, since truck accidents frequently cause delayed symptoms such as internal injuries or head trauma.

Once the situation is stable, shift your attention to preserving important details from the scene. Photograph vehicle damage, road conditions, company markings, and license numbers, and collect contact information from any witnesses.

With that information secured, the next step involves deciding how to handle insurance communications. Speaking with a truck accident lawyer before providing statements can help protect your interests, especially since insurers often move quickly to limit liability.

How Can I File a Claim for a Truck Crash?

Pursuing a claim for an 18-wheeler truck crash starts with linking the crash to negligent actions by the parties involved. Commercial trucking cases follow a different path than ordinary car accidents because they involve corporate policies, federal regulations, and layered insurance coverage.

Building the claim depends on gathering records that explain how the crash occurred and how the injuries affected daily life. This can include vehicle data, safety and compliance files, maintenance or employment records, as well as medical documentation and proof of lost income. Taken together, these details establish responsibility and help calculate losses.

Multiple insurance policies may apply, which often leads to disputes over fault or compensation amounts. When settlement efforts fail, litigation may become necessary. Careful attention to deadlines and documentation remains essential, since missteps during the process can reduce recovery under Colorado law.

Get in Touch With a Truck Accident Attorney

At Fang Injury & Accident Lawyers Denver, we assist individuals injured in serious truck accidents by explaining their legal options and guiding them through the claims process. If you are considering a claim for an 18-wheeler truck crash, call 720-379-6363 to schedule a free consultation and discuss your next steps.

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Remington W. Fang

A Colorado Springs native with a lifelong passion for standing up to bullies, Remington fights for the injured against corporations that put profit over people. Raised in a family devoted to service and healing, he brings compassion and grit to every case.

A graduate of the University of Northern Colorado and the University of Arkansas School of Law, Remington has recovered millions for clients with Fang Injury & Accident Lawyers Denver. He believes no injury should silence the human spirit — and he won’t stop fighting until justice is served. See Remington in AVVO.

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This page has been written, edited, and reviewed by a team of legal writers following our comprehensive editorial guidelines. It was approved by Remington W. Fang, our Founding Partner, who brings over 10 years of experience as a personal injury attorney.