Morse Injury Law representing San Diego County clients while explaining Can Lane Splitting Affect Fault In A Motorcycle Crash

Can Lane Splitting Affect Fault In A Motorcycle Crash

Shakira was riding his motorcycle to work when a car abruptly changed lanes, sideswiping him and sending him tumbling onto the asphalt. He suffered a fractured wrist, a concussion, and significant road rash, resulting in over $128,811 in medical bills and lost wages.

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Attorney Richard Morse a San Diego Injury Attorney

The question of fault in a motorcycle accident is rarely simple, and when lane splitting is involved, it becomes even more complex. While California is the only state that explicitly allows lane splitting (California Vehicle Code § 22107), that permission isn’t absolute. The law requires motorcyclists to split lanes only under specific conditions, and even then, it doesn’t automatically grant immunity from responsibility in a crash.

Many factors are considered when determining fault in these situations. Was the motorcyclist traveling at a safe speed relative to surrounding traffic? Did the car driver signal properly before changing lanes? Was the lane splitting maneuver conducted prudently, considering visibility and the flow of traffic? Insurance companies will meticulously investigate these details, often seeking to minimize their payout by assigning some degree of blame to the motorcyclist.

I’ve spent over 13 years practicing personal injury law here in San Diego, and I’ve seen firsthand how insurance adjusters take advantage of the nuances surrounding lane splitting to undervalue claims. Having previously worked with a major insurance defense firm, I have a deep understanding of their evaluation techniques and how they attempt to devalue or deny valid claims. It’s critical to understand your rights and have experienced legal counsel to navigate these complexities.

Will Lane Splitting Automatically Make Me at Fault?

Morse Injury Law representing San Diego County clients while explaining Can Lane Splitting Affect Fault In A Motorcycle Crash

No, not necessarily. The fact that you were lane splitting at the time of the accident does not automatically mean you are at fault. California law permits lane splitting, and you have the right to operate your motorcycle in this manner. However, it does come with certain responsibilities.

A driver is still liable for negligence if they fail to exercise reasonable care when changing lanes, even if a motorcyclist is lane splitting. This includes checking mirrors and blind spots, and ensuring there is sufficient space before changing lanes. Conversely, a motorcyclist can be found at fault if they were traveling recklessly, exceeding safe speeds, or splitting lanes in a manner that created an unreasonable risk of harm. It’s often a question of who was the primary cause of the collision.

Insurance companies will often focus on whether the motorcyclist was exceeding a reasonable speed differential compared to other vehicles. They will also scrutinize the roadway conditions and visibility. Establishing the circumstances of the lane split – and proving your reasonable care – is crucial to protecting your claim.

What Factors Do Insurance Companies Consider When Determining Fault in a Lane Splitting Accident?

Insurance adjusters will investigate several key factors to determine liability in a lane splitting accident. These factors often include:

  • Speed Differential: Was the motorcyclist traveling at a speed significantly faster than surrounding traffic?
  • Visibility: What were the roadway conditions? Was it raining, foggy, or dark?
  • Signaling: Did the car driver use their turn signal before changing lanes?
  • Prudence: Was the lane splitting maneuver conducted in a reasonable and safe manner?
  • Roadway Conditions: Were there any obstructions or hazards on the road that contributed to the accident?

They will also review police reports, witness statements, and any available dashcam footage. In San Diego, and throughout California, the testimony of independent witnesses can be especially influential in these types of cases.

It’s important to remember that insurance companies are businesses, and their goal is to minimize payouts. They have teams of investigators and adjusters who are skilled at finding reasons to deny or reduce claims. That’s why having an experienced attorney on your side is so important.

What Evidence Should I Gather After a Lane Splitting Accident?

Documenting the scene of the accident and gathering relevant evidence is critical to protecting your claim. Here’s what I advise my clients to do immediately following a lane splitting crash:

  • Police Report: Obtain a copy of the official police report.
  • Witness Information: Collect contact information from any witnesses to the accident.
  • Photos/Videos: Take photos of the damage to all vehicles involved, as well as the accident scene. If possible, obtain dashcam footage from your motorcycle or any nearby vehicles.
  • Medical Records: Keep detailed records of all medical treatment and expenses.
  • Lost Wages: Document any lost income as a result of the accident.

Preserving this evidence, and promptly reporting the accident to your insurance provider, is essential. However, be careful about making statements to the insurance company before consulting with an attorney. Anything you say can be used against you later.

What if the Other Driver Was Uninsured?

If the at-fault driver was uninsured, you may be able to pursue a claim under your own Uninsured Motorist (UM) coverage. Insurance Code § 11580.2 requires carriers to offer UM coverage in California. However, these claims can be complex, and often require arbitration rather than a jury trial.

Even with UM coverage, insurance companies may still attempt to limit your recovery. They may argue that you were contributorily negligent due to lane splitting or that your injuries are not as severe as you claim. An attorney can help you navigate the arbitration process and ensure you receive fair compensation for your damages.

It’s important to act quickly, as there are strict deadlines for filing a UM claim. Don’t delay in seeking legal counsel.

Can I Still Recover Damages if I Was Partially at Fault?

California operates under a principle of comparative negligence. This means that even if you were partially at fault for the accident, you may still be able to recover damages. However, your recovery will be reduced by your percentage of fault. For example, if you were found to be 30% at fault, you could recover 70% of your total damages.

The key is to establish the extent of the other driver’s negligence and minimize your own contribution to the accident. An experienced attorney can help you gather evidence and present a strong case to support your claim, even in situations where liability is shared. Don’t assume you are barred from recovery simply because you were lane splitting.

California Statutory Authority & Case Law
Deadlines & Standing
CCP § 335.1

2-year statute of limitations for personal injury filings.

CCP § 377.60

Defines standing for wrongful death lawsuits.

Gov. Code § 911.2

6-month claim deadline against government entities.

CCP § 2017.010

Scope of discovery: controls relevant case evidence.

Negligence & Conduct
Civ. Code § 1714

Duty of care: general negligence foundation.

Civ. Code § 2338

Respondeat superior: employer liability rules.

Veh. Code § 17150

Statutory liability for motor vehicle owners.

Veh. Code § 21703

Tailgating: primary rule for rear-end collisions.

Evid. Code § 669

Negligence per se: violations of safety statutes.

Valuation & Insurance
Howell v. Hamilton Meats

Limits medical damages to amounts actually paid or owed.

Ins. Code § 11580.2

Statutory framework for UM/UIM claims.

Civ. Code § 1431.2

Several liability: allocation of non-economic damages.


Attorney Advertising, Legal Disclosure & Authorship
ATTORNEY ADVERTISING. This content is provided for general informational and educational purposes only and does not constitute legal advice. Under the California Rules of Professional Conduct and applicable State Bar of California advertising regulations, this material may be considered attorney advertising. Viewing or reading this content does not create an attorney-client relationship. Laws and procedures governing personal injury claims vary by jurisdiction and may change over time. You should consult a qualified California personal injury attorney regarding your specific situation before taking any legal action.
Local Office:
Morse Injury Law
2831 Camino del Rio S #109
San Diego, CA 92108
(619) 684-3092
Responsible Attorney: Richard Morse, California Attorney (Bar No. 289241).
Morse Injury Law is a practice name and location used by Richard Peter Morse III, a California-licensed attorney.
About the Author & Legal Review Process
This article was prepared by the legal editorial team supporting Richard Peter Morse III, with the goal of explaining California personal injury law and claims procedures in clear, accurate, and practical terms for injured individuals in San Diego and surrounding communities.
Legal Review: This content was reviewed and approved by Richard Morse, a California-licensed attorney (Bar No. 289241), who concentrates his practice on personal injury litigation and insurance claim disputes.
With more than 13 years of experience representing injury victims throughout California, Mr. Morse focuses on serious personal injury matters including motor vehicle collisions, uninsured and underinsured motorist claims, premises liability, catastrophic injury, and wrongful death. His practice emphasizes claims evaluation, insurance carrier accountability, and litigation in California courts when fair resolution cannot be achieved.

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