California Bicycle vs. Truck Accident Lawyer

Representing Injured Cyclists & Families Across Los Angeles and Southern California

Steven M. Sweat, Personal Injury Lawyers, APC  ·  Over 30 years of experience  ·  Free consultation: 866-966-5240  ·  Se Habla Español

A collision between a bicycle and a commercial truck is one of the most lethal mismatches on California roads. A fully loaded tractor-trailer can weigh 20 to 30 times more than a passenger car and many times more than a cyclist and bike combined. There is no crumple zone, no airbag, and no steel cage to protect a bicyclist — only the rider’s body absorbing the force. In dense, traffic-heavy regions like Los Angeles, Orange County, and the Inland Empire, where delivery trucks, big rigs, and cyclists share the same streets, the consequences are frequently catastrophic or fatal.

If you were injured — or if you lost a family member — in a bicycle-versus-truck crash, you are likely facing serious medical bills, lost income, and an insurance company already working to minimize your claim. Our firm has spent more than three decades representing injured cyclists and grieving families throughout Southern California. This page explains why these collisions are so severe, how they happen, the California and federal law that governs them, and what your claim may be worth. For broader information on cycling claims, see our Los Angeles bicycle accident lawyer page.

Why Bicycle vs. Truck Collisions Are So Catastrophic

The danger in a truck-versus-bicycle crash comes down to physics. The enormous weight and size disparity means a cyclist has almost no protection against the forces involved. Several factors make these collisions uniquely dangerous:

• Underride. A cyclist can be pulled beneath the side or rear of a trailer, where the wheels cause crushing, often fatal injuries. Federal underride-guard standards reduce but do not eliminate this risk.
• Override and dragging. Because of a truck’s high ground clearance and momentum, victims are frequently thrown and dragged a significant distance from the point of impact.
• Multiple impacts. A rider may be struck by the cab, swept under the trailer, and then run over by rear axles in a single event.
• Stopping distance. A loaded big rig traveling at city speeds needs far more distance to stop than a car, leaving little margin when a driver fails to see a cyclist in time.

The injuries that result are among the most severe our firm handles — including traumatic brain injury, spinal cord injury and paralysis, multiple fractures, internal organ damage, amputations, and wrongful death. These are life-altering harms that demand full and fair compensation.

How Bicycle vs. Truck Accidents Happen in California

Most bicycle-versus-truck collisions are caused by driver error, not by the cyclist. Commercial drivers are professionals held to a higher standard of care, and the trucking companies that employ them are responsible for training, supervision, and safe operations. The most common causes we see include:

• Right-hook turns. A truck passes a cyclist and then turns right across the rider’s path, or turns right while a cyclist is alongside the cab — one of the deadliest patterns in urban cycling.
• Blind-spot (“No-Zone”) collisions. Large trucks have extensive blind spots to the front, rear, and especially the right side, where a cyclist can vanish from the driver’s view entirely.
• Wide right turns and off-tracking. A trailer’s rear wheels track inside the cab’s path during a turn, sweeping into the bike lane and trapping riders against the curb.
• Unsafe lane changes and failure to yield. Drivers merging across a bike lane or pulling out without yielding the cyclist’s right of way.
• Passing too closely. California’s Three Feet for Safety Act requires motorists to give cyclists at least three feet of clearance when passing; violations are a frequent cause of sideswipe and turbulence crashes.
• Distracted, fatigued, or impaired driving. Hours-of-service violations, tight delivery schedules, phone use, and impairment all degrade a driver’s ability to react in time.
• Poorly maintained equipment. Defective brakes, bald tires, or missing mirrors can transform a near-miss into a fatal collision.

California Bicycle Accident Data

California consistently records among the highest numbers of bicyclist fatalities in the nation. Roughly 145 cyclists were killed statewide in 2023, with a recent five-year average near 150 deaths per year, according to California Office of Traffic Safety and SWITRS data. Los Angeles County reports the highest bicycle-crash volume in the state. While large trucks make up a small share of vehicles on the road, they are involved in a disproportionate share of the most severe and fatal cyclist collisions because of the injury dynamics described above. For a full breakdown of fatality data, county rankings, and crash causes, see our California bicycle accident statistics guide.

The Law Governing Bicycle vs. Truck Accident Claims

Negligence: The Four Elements

To recover compensation, an injured cyclist must establish four elements of negligence: (1) the truck driver or company owed a duty of reasonable care; (2) they breached that duty; (3) the breach was a substantial factor in causing the crash; and (4) the cyclist suffered damages as a result. Commercial truck cases often involve breaches of specific safety rules, which can make the “breach” element easier to prove.

California Vehicle Code Protections for Cyclists

California law gives cyclists the same rights and duties as drivers of motor vehicles (Vehicle Code § 21200). Several provisions are frequently central to truck cases, including the Three Feet for Safety Act (§ 21760), rules requiring safe turning movements and signaling (§ 22107–22108), and the prohibition on unsafe lane changes. When a truck driver violates one of these statutes and injures a cyclist, that violation can establish negligence.

Federal Trucking Regulations (FMCSA)

Commercial trucks are also governed by Federal Motor Carrier Safety Administration (FMCSA) regulations that set the standard of care for the entire industry. These include hours-of-service limits designed to prevent fatigued driving (49 C.F.R. Part 395), driver-qualification and licensing requirements, drug-and-alcohol testing, vehicle-inspection and maintenance duties, and underride-guard equipment standards. A violation — for example, falsified logbooks or skipped brake inspections — is powerful evidence of liability and often points to company-level fault, not just driver error.

Multiple Parties May Be Liable

One of the most important differences between a truck case and an ordinary car case is that several parties may share legal responsibility. Under the doctrine of respondeat superior, an employer is vicariously liable for the negligence of an employee driver acting within the scope of employment. Depending on the facts, potentially liable parties include:

• The truck driver
• The trucking company / motor carrier (for negligent hiring, training, supervision, or scheduling, and vicariously for the driver)
• A freight broker or shipper that loaded the cargo improperly or contracted an unsafe carrier
• A maintenance or repair contractor responsible for defective brakes or equipment
• A parts manufacturer if a defective component contributed to the crash

This matters because commercial trucks carry far larger insurance policies than private cars — often $750,000 to $1 million or more in federally mandated coverage. Identifying every responsible party and policy is central to recovering full compensation, and it is one of the main reasons these cases benefit from experienced commercial trucking accident representation.

Comparative Fault in California

California follows a pure comparative negligence rule established by the California Supreme Court in Li v. Yellow Cab Co. (1975) 13 Cal.3d 804. Under this rule, an injured cyclist can recover damages even if partly at fault; the recovery is simply reduced by the cyclist’s percentage of responsibility. So if a jury finds your damages were $1,000,000 and that you were 20 percent at fault, you would still recover $800,000. Insurance companies routinely try to shift blame onto cyclists — pointing to lane position, helmet use, dark clothing, or alleged traffic violations — precisely to drive down what they pay. An experienced attorney counters these tactics with independent investigation and, where needed, accident reconstruction.

Statute of Limitations

In most California bicycle-versus-truck cases, you have two years from the date of the crash to file a lawsuit (Code of Civil Procedure § 335.1). If a government entity is involved — for example, a municipal or public-agency truck, or a dangerous roadway condition — you generally must file a written claim within six months under Government Code § 911.2. Missing these deadlines can permanently bar your claim, which is why early legal advice is essential.

Compensation Available After a Bicycle vs. Truck Accident

California law allows an injured cyclist to recover both economic and non-economic damages. The categories most often at issue include:

Case values vary widely depending on injury severity, available insurance, and the strength of the liability evidence. For a data-driven breakdown of ranges by injury type, see our guide on average bicycle accident settlement amounts in California.

Why These Cases Require Immediate Investigation

Truck cases are won or lost on evidence that can disappear within days. The truck’s onboard electronic control module (the “black box”) records speed, braking, and throttle data; driver logs and dispatch records reveal hours-of-service violations; and dashcam or nearby surveillance footage may capture the crash. Trucking companies are not required to preserve this evidence indefinitely, and some routinely overwrite it. An attorney can send a spoliation (evidence-preservation) letter immediately, secure the data, and retain accident-reconstruction and trucking-safety experts before the trail goes cold.

Representative Case Results

The following are verified results our firm has obtained in bicycle and commercial-vehicle / truck matters. They reflect the firm’s experience in these case types and are not a guarantee or prediction of any particular outcome; every case depends on its own facts.

• $500,000 (full policy limits) — Auto v. Bicycle: cyclist struck on Wilshire Boulevard in Los Angeles, sustaining a hip fracture requiring surgery.
• $450,000 — Truck v. Auto, Antelope Valley: client rear-ended by a semi-truck, suffering back injuries and a mild traumatic brain injury.
• $350,000 — Commercial Vehicle v. Passenger Car, West Covina: commuter on the 10 Freeway rear-ended by a commercial work truck, requiring surgery.
• $289,000 jury verdict — Auto v. Bicycle: bicycle collision in a large public park in Los Angeles.
• $250,000 (full policy limits) — Bicycle Accident: rider struck in the streets of Los Angeles and thrown to the curb, fracturing his pelvis.

See more verified verdicts and settlements on our case results page.

Why Choose Steven M. Sweat, Personal Injury Lawyers, APC

• Over 30 years of experience handling serious injury and wrongful death claims throughout Southern California.
• Recognized by Super Lawyers every year since 2012, with an Avvo 10.0 rating and membership in the Multi-Million Dollar Advocates Forum and National Trial Lawyers Top 100.
• No fee unless we win. We handle injury cases on a contingency basis — you owe nothing unless we recover for you.
• Se Habla Español. We serve English- and Spanish-speaking clients across the region.

Frequently Asked Questions

Who is at fault when a truck hits a bicycle in California?

Fault depends on the facts, but in most truck-versus-bicycle crashes the truck driver and/or trucking company is responsible — for example, through a right-hook turn, a blind-spot collision, an unsafe lane change, or a failure to give three feet of passing clearance. Because California follows pure comparative negligence, a cyclist who was partly at fault can still recover compensation, reduced by their percentage of fault.

Can I still recover money if I wasn’t wearing a helmet?

Yes. There is no statewide law requiring adult cyclists to wear helmets in California, and not wearing one does not bar your claim. Insurers may argue it contributed to head injuries, but that is a comparative-fault argument that an attorney can contest — and it does not affect compensation for injuries unrelated to the head.

How long do I have to file a claim?

Generally two years from the date of the crash under Code of Civil Procedure section 335.1. If a government entity is involved, you usually must file a formal claim within six months. Because deadlines can be shorter than people expect, it is best to consult an attorney promptly.

Why are truck accident claims different from car accident claims?

Trucks are governed by federal safety regulations in addition to California law, often involve multiple potentially liable parties (driver, motor carrier, broker, maintenance contractor), and carry much larger insurance policies. They also require fast preservation of evidence like black-box data and driver logs. These differences make experienced legal representation especially valuable.

How much does it cost to hire a bicycle accident lawyer?

Our firm handles these cases on a contingency-fee basis. There is no upfront cost and no fee unless we obtain a recovery for you. The initial consultation is free.