The California motorcycle laws most likely to matter after a crash involve helmets, lane splitting, licensing, insurance, collision reporting, and filing deadlines. A violation can be relevant evidence, but it does not automatically decide who caused the collision or whether an injured rider can recover compensation.
California applies comparative fault, so insurers and courts may evaluate the conduct of the rider, other drivers, employers, vehicle owners, and any additional responsible parties.
Are helmets required for every rider and passenger?
Yes. California Vehicle Code section 27803 generally requires every motorcycle driver and passenger to wear a safety helmet that complies with applicable requirements. The helmet must be properly fastened and fit securely without excessive movement.
A rider should preserve the helmet after a crash. Do not clean, repair, alter, or discard it. Photograph the exterior, interior, certification labels, fastener, visor, impact marks, and how it fit before storing it safely. Helmet damage may help explain the impact and injury mechanism.
Failure to wear a compliant helmet does not necessarily excuse a driver who caused the collision. The legal questions may include both who caused the crash and whether helmet use affected a particular injury. Medical and technical evidence is required; assumptions are not enough.
Is lane splitting legal in California?
California Vehicle Code section 21658.1 defines lane splitting as riding a two-wheeled motorcycle between rows of stopped or moving vehicles in the same lane. California recognizes the practice, but that does not make every lane-splitting maneuver safe or reasonable under every condition.
Speed, traffic flow, lane width, visibility, weather, surrounding vehicles, and the rider’s manner of operation may all matter. Drivers should check mirrors and blind spots before changing lanes and should not intentionally block or endanger a rider. Riders should not assume that another driver has seen them.
After a lane-splitting crash, photographs of lane width, traffic density, scrape patterns, vehicle positions, and available video can be especially useful.
What license is required?
California generally requires a motorcycle endorsement. An M1 license permits operation of motorcycles and the vehicles covered by an M2 license. An M2 license is more limited and generally applies to motorized bicycles, mopeds, and certain scooters.
Licensing status may be raised after a crash, but the absence of the correct endorsement does not by itself establish that the rider caused the collision. The analysis should focus on whether the licensing issue was connected to the event or injury.
What insurance limits apply in 2026?
For standard policies issued or renewed on or after January 1, 2025, California’s minimum liability limits are generally:
- $30,000 for bodily injury or death to one person.
- $60,000 for bodily injury or death to more than one person in one accident.
- $15,000 for property damage.
These minimums can be inadequate in a serious motorcycle crash. Riders should review uninsured and underinsured motorist coverage, medical-payments coverage, deductibles, policy exclusions, and coverage for custom equipment before a collision occurs.
Coverage questions can become complicated when a motorcycle is borrowed, used for work, modified, recently purchased, or insured under multiple policies.
Do I have to report the collision to the DMV?
An SR-1 report is generally due to the California DMV within 10 days when anyone is injured or killed or property damage to any one person exceeds $1,000. The obligation applies even when law enforcement prepared a report. The SR-1 is also separate from notifying an insurance company.
At the scene, riders should obtain the other driver’s name, address, driver’s-license information, vehicle registration, and insurance information when it is safe to do so. Photograph the motorcycle before it is moved or repaired if conditions permit.
How long do I have to bring a California motorcycle-injury claim?
California Code of Civil Procedure section 335.1 generally provides two years for an action seeking damages for personal injury or death caused by another’s wrongful act or neglect. That is not a universal deadline.
A claim involving a California public entity—for example, an allegation concerning a dangerous public roadway condition—generally requires an administrative claim within six months. Other rules may apply to minors, delayed discovery, defendants who leave the state, product claims, wrongful-death claims, and insurance-contract disputes.
Waiting until the deadline approaches can also damage the factual investigation. Video may be overwritten, the motorcycle may be repaired, and roadway conditions may change.
What evidence should a rider preserve?
- The motorcycle in its post-crash condition.
- Helmet, riding jacket, gloves, boots, and other protective gear.
- On-bike, helmet-camera, dash-camera, and nearby surveillance video.
- Photographs of vehicle damage, roadway conditions, signs, lane markings, debris, and sight lines.
- GPS, phone, and riding-app data.
- Repair, maintenance, tire, and modification records.
- Witness information, police-report details, and 911 records.
- Medical records and a factual symptom history.
Do not authorize disposal of a totaled motorcycle or failed component before potential evidence issues are considered.
Common mistakes after a motorcycle collision
Riders sometimes minimize symptoms because they were able to stand or because protective gear prevented a worse outcome. Other mistakes include posting ride data or crash opinions online, repairing the motorcycle immediately, discarding the helmet, assuming lane splitting automatically establishes fault, and overlooking available coverage under another policy.
An insurance adjuster may ask for a recorded statement soon after the crash. Provide required notices, but consider obtaining legal advice before offering estimates or conclusions about speed, distance, injury severity, or fault.
Frequently asked questions
Does lane splitting prevent me from recovering compensation?
No. Lane splitting does not automatically bar a claim. The manner of riding and the conduct of all parties must be evaluated under the facts and California’s comparative-fault rules.
Can not wearing a helmet defeat the entire claim?
Not automatically. Helmet use may be relevant to certain injuries, while another driver may still be responsible for causing the collision. Causation requires evidence.
Is a police report enough to protect my rights?
No. It may be important, but it does not preserve every video, vehicle component, insurance issue, medical fact, or filing deadline.
Contact a Northern California motorcycle-accident attorney
The Law Offices of Larry S. Buckley represents injured riders throughout Northern California. Call 530-413-0245 or contact the firm online to discuss the collision, available evidence, insurance, and deadlines.