Who Is at Fault in a California Motorcycle Accident? Understanding Liability in the Inland Empire

Our experienced Inland Empire motorcycle accident lawyers at Lerner, Moore, Silva, Cunningham & Rubel help riders understand liability after crashes in the Inland Empire. Fault depends on evidence and insurance arguments.

How Fault Is Determined After a Motorcycle Accident in California

“Fault” is determined using police reports, witness statements, photographs, video footage, and crash analysis. California’s “comparative fault” rules allow responsibility to be divided between parties. Jury instructions explain comparative fault here.

Common Causes of Motorcycle Accidents in the Inland Empire

• Left-Turn Collisions: Drivers may misjudge speed or turn across a rider’s path.
• Unsafe Lane Changes: Freeway congestion can lead drivers to merge without checking blind spots.
• Distracted Driving: Phones, GPS, and screens can hide motorcycles.
• Failure to Yield: Drivers may pull from side streets, ramps, or lots too closely.
• Speeding: Excess speed reduces reaction time and severity.
• Drunk or Drug-Impaired Driving: Impaired drivers may drift, brake late, ignore signals, or miss riders.

Common Roads With High Risk for Motorcycle Accidents in the Inland Empire

• I-10: Merging vehicles and trucks create risk near Ontario, Fontana, and San Bernardino.
• I-15: High speeds and Cajon Pass congestion can make crashes severe.
• SR-60: Dense traffic and lane changes through Riverside County create disputes.
• SR-91: Stop-and-go traffic near Corona and Riverside makes riders vulnerable.
• Foothill Boulevard: Intersections, driveways, businesses, and pedestrians increase risk.

Can a Motorcyclist Be Found Partially at Fault?

Yes. California follows “pure comparative negligence.” A rider may recover compensation even if partly responsible, but damages are reduced by fault percentage. For example, a driver may turn left while claiming the rider was speeding. If a rider lane splits and a driver changes lanes without signaling, both sides may share fault. Insurers argue the rider was speeding, hard to see, lane splitting unsafely, or riding aggressively.

Most Common Parties Liable for Motorcycle Accidents

• Negligent Drivers: Unsafe turns, distraction, speeding, impairment, or failure to yield.
• Commercial Vehicle Operators: Delivery, rideshare, and company drivers may cause crashes.
• Trucking Companies: Unsafe hiring, training, maintenance, or scheduling may create liability.
• Government Agencies: Potholes, debris, poor design, or missing signs may contribute.
• Vehicle Manufacturers: Defective brakes, tires, steering, or motorcycle parts may matter.

What Evidence Helps Prove Liability in a Motorcycle Accident Case?

“Evidence” may include scene photos, helmet camera footage, medical records, cell phone records, black box data, eyewitness testimony, police reports, traffic camera footage, dashcam recordings, nearby business security footage, vehicle damage, skid marks, debris, and reconstruction.

How Insurance Companies Try to Shift Blame to Motorcyclists

Insurers may use the “motorcycles are reckless” bias to reduce claim value. They may dispute speed, visibility, following distance, or lane splitting. These tactics may ignore unsafe lane changes, late signals, drifting, or left turns without yielding.

How California Lane Splitting Laws Affect Liability

California defines “lane splitting” as riding between rows of vehicles in the same lane. The statute is available here.

Lane splitting is legal. It may affect fault if the rider was too fast, unpredictable, or riding in unsafe conditions. Drivers may still be responsible if they changed lanes unsafely, failed to signal, opened a door, or drifted.

What Compensation May Be Available After a Motorcycle Accident?

“Compensation” may include medical expenses, lost income, potential income, future medical care, pain and suffering, and property damage.

Frequently Asked Questions (FAQs):

Can I recover compensation if I was partially at fault?

Yes, but compensation can be reduced.

Does lane splitting automatically make me liable?

No. Unsafe Lane splitting may affect fault.

What if the other driver claims they did not see me?

Drivers must look carefully.

How long do I have to file a motorcycle accident claim in California?

Often two years, but government claims may be shorter.

How is fault proven in a disputed crash?

Through photos, videos, witnesses, reports, records, phone records, damage, and expert analysis.

Our Experienced Inland Empire Motorcycle Accident Lawyers at Lerner, Moore, Silva, Cunningham & Rubel Help Riders Break Through the Blame Game

Our Inland Empire motorcycle accident lawyers at Lerner, Moore, Silva, Cunningham & Rubel help motorcyclists investigate fault, preserve evidence, challenge insurance narratives, and pursue compensation. To schedule a free consultation, call today at 909-889-1131 or contact us online. With office locations in Ontario and Victorville, California, we proudly serve clients in the surrounding areas.