Motorcyclists in California have a unique advantage in traffic: the ability to move between lanes of slow-moving or stopped vehicles. This practice, known as lane splitting, helps reduce congestion and allows riders to keep moving even in heavy traffic. While it can be a safer alternative to stop-and-go conditions, it also requires careful judgment and awareness. Both motorcyclists and drivers share responsibility for keeping the roads safe. Understanding how lane splitting works and the risks involved can help everyone stay more aware and avoid unnecessary collisions.
California’s Lane-Splitting Laws
California is the only state where lane splitting is legal. This allows motorcyclists to ride between lanes of slow-moving or stopped traffic. The California Vehicle Code does not provide specific speed limits for lane splitting, but the California Highway Patrol (CHP) offers guidelines to promote safety.
The CHP advises motorcyclists to be cautious, avoid splitting at high speeds, and only do so when it is safe. Riders should be especially careful near large vehicles like trucks and buses, which have significant blind spots. Additionally, drivers must not intentionally block or interfere with motorcyclists who are lane splitting.
Although lane splitting is legal, liability in an accident depends on the circumstances. A rider’s speed, road conditions, and the actions of other drivers all play a role. Understanding these guidelines can help motorcyclists and drivers make safer decisions and reduce the risk of collisions.
Safety Considerations for Motorcyclists and Drivers
Lane splitting can help motorcyclists move through traffic efficiently, but it requires careful judgment. Both riders and drivers are responsible for keeping the roads safe.
Tips for Motorcyclists
- Stay visible – Avoid lingering in blind spots, especially near trucks and buses.
- Wear protective gear – A DOT-approved helmet, gloves, and protective clothing can reduce injury risks.
- Be mindful of speed – Avoid lane splitting when traffic moves faster than 30 mph.
- Use caution at intersections – Cars may change lanes suddenly or turn unexpectedly.
- Watch for road conditions – Debris, potholes, or uneven pavement can be hazardous when lane splitting.
Tips for Drivers
- Check mirrors and blind spots – Motorcycles can be harder to see in traffic.
- Avoid sudden lane changes – Signal and check for motorcyclists before moving over.
- Give riders space – Do not attempt to block or squeeze them out of a lane.
By staying alert and aware, both motorcyclists and drivers can reduce the risk of collisions.
Liability in Lane-Splitting Accidents
Liability in a lane-splitting accident depends on the circumstances. Because California allows lane splitting, motorcyclists are not automatically at fault in an accident. However, their speed, positioning, and the behavior of other drivers all play a role in determining responsibility.
A motorcyclist may be found partially at fault if they were weaving aggressively, riding at unsafe speeds, or splitting lanes in a reckless manner. On the other hand, a driver may be liable if they:
- Changed lanes without signaling or checking mirrors
- Opened a car door without looking
- Swerved or deliberately blocked a motorcyclist from lane splitting
California follows a comparative negligence rule, meaning compensation is reduced based on each party’s percentage of fault. For example, if a rider is found 30% responsible and the driver 70%, the rider can recover 70% of their damages.
Determining liability often requires evidence, such as witness statements, traffic camera footage, and police reports. Insurance companies may try to shift blame, making it important to have strong documentation. If you’ve been injured in a lane-splitting accident, understanding your rights can make a difference in your ability to recover damages for medical bills, lost wages, and other expenses.
What to Do After a Lane-Splitting Accident
If you’re involved in a lane-splitting motorcycle accident, taking the right steps can help protect your health and legal rights.
- Check for injuries – Call 911 if you or anyone else is hurt.
- Move to safety – If possible, get to the side of the road to avoid further danger.
- Exchange information – Get contact details, insurance information, and vehicle descriptions from all involved parties.
- Document the scene – Take photos of the vehicles, road conditions, and any visible injuries.
- Seek medical attention – Some injuries appear hours or days later.
- Consult a lawyer – Legal guidance can help if fault is disputed.
Contact Our Experienced Walnut Creek Motorcycle Attorneys
Lane splitting is legal in California, but it comes with risks. Both motorcyclists and drivers have a responsibility to stay aware and follow safety guidelines. If you’ve been injured in a lane-splitting accident, understanding your rights is important. At Casper Meadows Schwartz & Cook, we help injured motorcyclists pursue fair compensation for medical bills, lost wages, and other damages. Contact us today for a free consultation to discuss your case and explore your legal options.