Rancho Cucamonga Truck Accident Lawyers

When a commercial truck crashes into a passenger vehicle on the I-15 or I-210 Freeway, the consequences are rarely minor. These collisions often result in catastrophic injuries, devastating property damage, and, in the most tragic cases, the loss of life. If you or a loved one has been injured in a truck accident in Rancho Cucamonga or anywhere in the Inland Empire, you need an experienced legal team ready to stand up against powerful trucking companies and their insurers.

At The Accident Network Law Group, we have spent over 25 years fighting for accident victims across Southern California. Attorney Damoun A. Yazdi and our team understand what you are facing because we have handled hundreds of serious injury cases just like yours. We operate on a No Recovery, No Fee basis, meaning you pay nothing unless we win your case. Call us 24/7 at (951) 554-1010 for a free, no-obligation case evaluation.

The Dangers of Truck Accidents in Rancho Cucamonga

Rancho Cucamonga sits at the crossroads of some of Southern California’s busiest freight corridors. The I-15 Freeway runs directly through the city, serving as a critical artery connecting Southern California ports and distribution centers to the rest of the country. The I-210 and Route 66 corridor (Foothill Boulevard) adds additional commercial vehicle traffic through residential and commercial zones alike.

Commercial trucks, including 18-wheelers, semi-trucks, big rigs, and tractor-trailers, can weigh up to 80,000 pounds when fully loaded. A typical passenger vehicle weighs between 3,000 and 4,000 pounds. This extreme difference in mass means that when a truck collides with a car, the physics are brutally one-sided. Truck accident victims routinely suffer injuries far more severe than those seen in standard car accidents, and the financial and emotional toll on families can last for years.

The Federal Motor Carrier Safety Administration (FMCSA) reported that large trucks and buses were involved in more than 168,000 injury-causing crashes nationally in a recent year. California consistently ranks among the states with the highest number of large truck crash fatalities, partly due to the volume of freight moving through its major corridors. For Rancho Cucamonga residents and commuters, this is not a distant statistic. It is a daily reality on local roads and freeways.

Common Causes of Truck Accidents in Rancho Cucamonga

Understanding how and why truck accidents happen is critical to building a strong legal claim. Unlike car accident cases, truck accident investigations often reveal multiple contributing factors and multiple parties who may share responsibility. Our attorneys know where to look.

Driver Fatigue and Hours of Service Violations

Federal law limits the number of hours commercial truck drivers can operate their vehicles without rest. Under FMCSA Hours of Service regulations, property-carrying drivers may not drive more than 11 hours after 10 consecutive hours off duty, and they cannot drive beyond the 14th hour after coming on duty. These rules exist for good reason. Driver fatigue dramatically increases the risk of serious accidents. When trucking companies pressure drivers to meet unrealistic delivery schedules, drivers sometimes falsify their logbooks or electronic logging device (ELD) records to conceal violations. Our team knows how to access and analyze these records as part of your case.

Distracted Driving

Truck drivers face many of the same distractions as other motorists, but the consequences of a momentary lapse in attention are far more severe at highway speeds with a 40-ton vehicle. Federal regulations prohibit commercial truck drivers from using handheld mobile devices while driving. Violations of this rule can serve as evidence of negligence in a truck accident claim.

Speeding and Reckless Driving

Commercial trucks require significantly longer stopping distances than passenger vehicles. A loaded semi-truck traveling at 65 mph may need 525 feet or more to come to a complete stop. Speeding dramatically reduces the driver’s ability to respond to changing traffic conditions and is a major contributing factor in fatal truck crashes nationwide.

Improper Cargo Loading

Overloaded or improperly secured cargo creates serious hazards on California freeways. Shifting cargo can affect a truck’s balance and cause jackknife or rollover accidents. Cargo that falls from a vehicle can create deadly road hazards for other motorists. California Vehicle Code and federal FMCSA regulations set strict standards for weight limits and cargo securement.

Equipment Failure and Poor Maintenance

Trucking companies are required to maintain their fleets to federal safety standards. Brake failures, tire blowouts, faulty lighting, and steering defects caused by inadequate maintenance are common causes of serious truck accidents. Maintenance logs and inspection records are critical evidence that our attorneys will seek to preserve and review.

Drugged or Drunk Driving

FMCSA regulations require pre-employment drug and alcohol testing for commercial drivers, as well as random testing throughout their employment. A truck driver who operates a commercial vehicle with a blood alcohol concentration (BAC) of 0.04% or higher is in violation of federal law. When drivers test positive following an accident, this evidence is central to any negligence claim.

Inadequate Training

Operating an 18-wheeler requires specialized training and a valid Commercial Driver’s License (CDL). Some trucking companies, especially those facing driver shortages, may hire undertrained drivers or fail to adequately supervise their fleet. Inadequate training is a form of negligence that can expose the trucking company to significant liability.

Blind Spot Accidents

Commercial trucks have large blind spots on all four sides. Passenger vehicles that linger in these blind zones risk being sideswiped or forced off the road when the truck changes lanes. These accidents often occur on freeway on-ramps and during lane changes on the I-15 near Rancho Cucamonga.

Types of Truck Accidents Our Rancho Cucamonga Attorneys Handle

Our team represents clients injured in all types of commercial vehicle accidents, including:

Type of Accident	Description








Rear-End Collisions	A truck strikes the back of a vehicle, often at high speed, due to inadequate braking distance
Jackknife Accidents	The trailer swings outward at an angle to the cab, often sweeping across multiple lanes
Rollover Accidents	The truck tips onto its side or roof, often due to excessive speed on curves or shifting cargo
Underride Accidents	A smaller vehicle slides under the rear or side of a truck, often with catastrophic results
Wide Turn Accidents	Trucks making right turns swing wide, trapping vehicles in the space between the cab and trailer
Head-On Collisions	One of the most deadly accident types, often caused by driver fatigue or distraction
Cargo Spill Accidents	Unsecured loads fall from the truck, creating hazards for other vehicles
Sideswipe Accidents	The truck drifts or changes lanes into an adjacent vehicle

Who Can Be Held Liable for Your Truck Accident?

One of the key differences between truck accident cases and standard car accident claims is the potential number of parties who may share legal responsibility. At The Accident Network Law Group, we conduct thorough investigations to identify every liable party and maximize your recovery.

The Truck Driver

If the driver’s negligence, recklessness, or violation of federal regulations caused or contributed to your accident, they may be held personally liable. This includes instances of fatigue, distraction, impairment, or speeding.

The Trucking Company

Under the legal doctrine of respondeat superior, employers are generally responsible for the negligent acts of their employees performed in the course of their duties. Even if a driver is classified as an independent contractor, the trucking company may still bear liability if it exercises control over the driver’s operations. Trucking companies can also face direct liability for negligent hiring, inadequate training, or failure to enforce safety policies.

The Cargo Loading Company

If improperly loaded or secured cargo caused or contributed to the accident, the company responsible for loading the truck may share liability. This is especially relevant in jackknife and rollover accidents caused by shifting loads.

The Truck Manufacturer or Parts Supplier

If a defective component, such as faulty brakes, a defective tire, or a steering malfunction, contributed to the crash, the manufacturer of the truck or the defective part may be liable under California product liability law.

The Maintenance Company

Third-party companies contracted to inspect and maintain a truck fleet can be held liable if their failure to properly service a vehicle led to mechanical failure that caused the accident.

Government Entities

If unsafe road conditions, such as inadequate signage, poor lighting, or potholes, contributed to your accident, a government agency responsible for road maintenance may share liability. Claims against government entities in California require filing a government tort claim within six months of the incident.

Serious Injuries Caused by Truck Accidents

The sheer size and weight of commercial trucks mean that victims frequently sustain injuries that are permanent or life-altering. Some of the most common serious injuries we see in our Rancho Cucamonga truck accident cases include:

Traumatic Brain Injuries (TBI): Ranging from concussions to severe brain damage, TBIs can cause lasting cognitive, emotional, and physical impairment
Spinal Cord Injuries: Damage to the spinal cord can result in partial or complete paralysis, requiring lifelong care
Broken and Fractured Bones: High-impact collisions often cause multiple fractures, requiring surgery, hardware placement, and extended rehabilitation
Internal Injuries: Organ damage and internal bleeding may not be immediately apparent, but can be life-threatening without prompt treatment.
Severe Burns: Fires and explosions following fuel tank ruptures can cause disfiguring and painful burn injuries
Amputations: Crush injuries or surgical amputations are devastating, life-altering outcomes that affect every aspect of daily life
Soft Tissue Injuries: Whiplash, torn ligaments, and muscle injuries can cause chronic pain even when not visible on imaging.
Wrongful Death: When a truck accident takes the life of a loved one, surviving family members may pursue a wrongful death claim for their losses

If you have suffered any of these injuries, do not wait. Medical documentation created close in time to your accident is critical evidence in your case. Seek treatment immediately and contact our office as soon as possible.

California Law and Your Truck Accident Claim

Several key legal principles govern truck accident cases in California.

Statute of Limitations

Under California Code of Civil Procedure section 335.1, you generally have two years from the date of your injury to file a personal injury lawsuit. If you were injured by a government employee driving a government vehicle, you must file a government tort claim within six months. Missing these deadlines can permanently bar your right to compensation.

Pure Comparative Fault

California follows a pure comparative fault rule, meaning that even if you were partially at fault for the accident, you can still recover compensation. Your recovery will be reduced by your percentage of fault. For example, if you are found 20% at fault and your total damages are $500,000, you would recover $400,000. Insurance companies often try to inflate your share of the blame to reduce what they owe. Our attorneys are skilled at pushing back against unfair fault attributions.

Federal Motor Carrier Safety Regulations

Commercial trucking in California is also governed by federal FMCSA regulations, which set safety standards for driver qualifications, hours of service, vehicle maintenance, and more. Violations of these federal standards can serve as powerful evidence of negligence in your truck accident case.

What to Do After a Truck Accident in Rancho Cucamonga

The steps you take in the immediate aftermath of a truck accident can significantly affect the outcome of your legal claim. Here is what we recommend:

Call 911 immediately. The California Highway Patrol (CHP) handles accident investigations on state freeways. A police report creates an official record of the crash that is essential for your claim.
Seek medical attention right away. Even if you feel relatively fine, some serious injuries, including TBIs and internal bleeding, do not present immediate symptoms. Get examined by a doctor and follow all treatment recommendations.
Document the scene if it is safe to do so. Photograph your vehicle, the truck, the road conditions, skid marks, cargo spills, and your injuries. Video documentation is especially valuable.
Get the truck driver’s information. Collect the driver’s CDL number, trucking company name, USDOT number (found on the side of the truck), and insurance information.
Identify witnesses. Get contact information from anyone who saw the accident. Witness accounts are powerful evidence in disputed liability cases.
Preserve your evidence. Do not have your vehicle repaired before it is inspected by an attorney or accident reconstruction expert. The damage pattern on your car can be crucial evidence.
Do not give recorded statements to insurance companies. The trucking company’s insurer will likely contact you quickly. Do not give any recorded statement without first consulting an attorney. Insurance adjusters are trained to find ways to reduce or deny your claim.
Contact The Accident Network Law Group. The sooner you involve an attorney, the better positioned you are to preserve critical evidence, including truck black box data, driver logs, and surveillance footage, which may be overwritten or lost over time.

Critical Evidence in Truck Accident Cases

Commercial truck accidents generate a significant amount of evidence that is not present in standard car accident cases. Our attorneys know how to secure and analyze this evidence before it disappears.

Evidence Type	What It Shows









Electronic Logging Device (ELD) Data	Records driving hours, rest periods, and any HOS violations
Event Data Recorder (Black Box)	Captures speed, braking, throttle position, and steering inputs before impact
Driver Log Books	Physical records of hours driven that can be compared to ELD data
Pre-Trip Inspection Reports	Shows whether the driver checked vehicle systems before setting out
Maintenance and Inspection Records	Reveals patterns of deferred maintenance or known defects
Drug and Alcohol Test Results	Post-accident testing is required by FMCSA in certain crashes
Dash Cam and Surveillance Footage	Captures the moments before, during, and after the crash
Cargo Weight and Loading Documentation	Establishes whether the load was within legal limits and properly secured
Driver Qualification File	Reveals training history, CDL records, and prior violations

Our attorneys send preservation letters promptly after being retained to ensure trucking companies do not destroy or overwrite this evidence.

Compensation Available After a Truck Accident

Victims of truck accidents in California may be entitled to recover a wide range of damages. The value of your case depends on the severity of your injuries, the impact on your life, and the degree of negligence involved.

Economic Damages

Medical expenses (emergency care, hospitalization, surgery, medication, physical therapy, future medical costs)
Lost wages (income missed during recovery)
Loss of future earning capacity (if your injuries affect your ability to work long-term)
Property damage (vehicle repair or replacement)
Costs of in-home care or rehabilitation

Non-Economic Damages

Pain and suffering
Emotional distress and anxiety
Loss of enjoyment of life
Loss of consortium (for spouses or domestic partners)
Disfigurement and permanent disability

Punitive Damages

In cases involving particularly egregious conduct, such as a trucking company knowingly allowing an unqualified or fatigued driver to operate a vehicle, punitive damages may be available in addition to compensatory damages. These are designed to punish the wrongdoer and deter future misconduct.

Why Choose The Accident Network Law Group?

When you are recovering from a serious truck accident, choosing the right legal team makes all the difference. Here is what sets us apart.

25+ Years Serving Southern California

The Accident Network Law Group has been fighting for accident victims since 1999. Our firm has served clients across Rancho Cucamonga, Riverside, Costa Mesa, Apple Valley, Bakersfield, and communities throughout Southern California.

Attorney Damoun A. Yazdi: A Unique Perspective

Attorney Yazdi’s path to personal injury law is unusual, and it makes him a more effective advocate for you. He began his legal career as a paralegal at a personal injury firm, giving him an insider’s understanding of the claims process from the ground up. He then earned his J.D. from Trinity Law School, where he graduated at the top of his class in Litigation Skills and founded the Alternative Dispute Resolution (ADR) Society. He served as a law clerk at the Los Angeles County District Attorney’s Office, giving him firsthand experience with how cases are built and argued on both sides. He is admitted to the California State Bar and the Washington State Bar Association.

Proven Results

$1,250,000 settlement in motorcycle accident case
$1,100,000 settlement in motorcycle accident case
$1,000,000 settlement in car accident case
$255,000 settlement in car accident case
$200,000 settlement in a car accident case
$106,000 settlement in freeway rear-end car accident case

Past results do not guarantee future outcomes. Every case is different, and results depend on the specific facts involved.

No Recovery, No Fee

We handle all truck accident cases on a contingency fee basis. You pay nothing up front and owe us nothing if we do not recover compensation for you. There is no financial risk to pursuing your claim with our firm.

Free Consultations, 24/7 Availability

We offer free, no-obligation case evaluations and are available around the clock to speak with you. Truck accident cases involve time-sensitive evidence. Call us at any hour at (951) 554-1010.

Bilingual Services

Our team provides services in both English and Spanish to ensure all members of our diverse community can access quality legal representation. Se habla español.

Community Roots

We are proud to serve as the Official Injury Attorneys for UC Riverside Athletics and to sponsor an annual scholarship program for first-generation immigrant students pursuing careers in law. Our commitment to Southern California goes beyond the courtroom.

Frequently Asked Questions

How long do I have to file a truck accident lawsuit in California?

In most cases, you have two years from the date of your accident to file a personal injury lawsuit under California Code of Civil Procedure section 335.1. However, certain circumstances can shorten or extend this deadline. If a government entity is involved, you typically have only six months to file a government tort claim. We strongly recommend consulting with an attorney as soon as possible after your accident.

What if the trucking company’s insurance company contacts me?

Do not give any recorded statements to the trucking company’s insurer without first speaking to an attorney. Insurance adjusters are trained to minimize claims. Anything you say can be used to reduce the compensation you are entitled to receive.

Can I still recover compensation if I was partially at fault?

Yes. California’s pure comparative fault rule allows you to recover damages even if you were partially responsible for the accident. Your recovery is reduced by your percentage of fault, but you are not barred from receiving compensation, as you would be in some other states.

How much is my truck accident case worth?

The value of a truck accident claim depends on many factors, including the severity of your injuries, the cost of your medical treatment, the impact on your ability to work, and the degree of negligence involved. Because commercial trucks carry higher insurance policy limits than passenger vehicles, the potential recovery in a truck accident case is often significantly larger than in a standard car accident case. Contact us for a free case evaluation.

What if the truck driver was from another state or worked for an out-of-state company?

Many trucking operations cross state lines. California courts have jurisdiction over accidents that occur within California, regardless of where the driver or trucking company is based. Our attorneys have experience handling cases involving interstate commerce and multi-state trucking operations.

How quickly should I contact an attorney after a truck accident?

As soon as possible. Critical evidence, including electronic logging device data, black box recordings, and surveillance footage, is often overwritten or deleted within days to weeks of an accident. Early involvement by an attorney allows us to send preservation letters to the trucking company and secure the evidence needed to build a strong case.

Serving Rancho Cucamonga, the Inland Empire, and Beyond

Our Rancho Cucamonga office is located at 11175 Azusa Ct, Suite 1100, and we serve clients throughout San Bernardino County and the surrounding region, including Ontario, Fontana, Upland, Chino, Pomona, and communities across the Inland Empire. We also maintain offices in Costa Mesa, Riverside, Apple Valley, Bakersfield, and Victorville to ensure that injured clients throughout Southern California have access to experienced representation.

Contact Our Rancho Cucamonga Truck Accident Lawyers Today

A truck accident can change your life in an instant. You should not have to navigate the complex world of trucking liability law, FMCSA regulations, and insurance negotiations on your own while you are recovering from serious injuries.

At The Accident Network Law Group, we are ready to take on the trucking companies and their insurers on your behalf. Our team will investigate your accident, preserve critical evidence, identify every liable party, and fight to recover the full compensation you deserve.

Call us at (951) 554-1010 or fill out our online contact form for a free, no-obligation case evaluation. We are available 24 hours a day, 7 days a week. There is no fee unless we win.