Motorcycle parked on road

California Motorcycle Laws: What Every Rider Should Know

Law Offices of Steven Zwick Aug. 26, 2025

Motorcycle accidents are unfortunately common on California roads. Whether you're a seasoned rider or new to motorcycle ownership, it's important to familiarize yourself with the state's motorcycle laws and regulations to remain safe and protect your rights in the event of an accident. 

At the Law Offices of Steven Zwick, we are adept at handling legal claims following motorcycle accidents. With over 40 years of experience helping clients throughout Orange County and Mission Viejo, California, we have the background and knowledge to help you understand California's motorcycle laws and provide skilled legal advice and guidance.  

If you or someone you know has been injured in a motorcycle accident, contact us today to schedule a free consultation.  

Motorcycle Licensing Requirements

To legally operate a motorcycle in California, all riders must obtain the correct license. The California Department of Motor Vehicles (DMV) issues two types of motorcycle licenses: 

  • M1 license: This license allows you to operate any two-wheeled motorcycle, as well as motorized scooters and all vehicles included in the M2 license category. 

  • M2 license: This license permits the operation of motorized bicycles, mopeds, and motorized scooters, but not standard motorcycles.  

To receive an M1 or M2 license, you must first pass a knowledge test, which covers California's motorcycle rules and driving laws, complete an off-highway skills test, and, depending on your age, fulfill specific training requirements.  

If you are under the age of 21, you are required by law to complete a California Highway Patrol-approved motorcycle training course prior to obtaining your license. The course is not mandatory for those over 21, but taking it could help you improve your riding skills and enhance your safety awareness. 

Helmet Laws in California

California follows a universal helmet law, which requires all motorcycle riders and their passengers to wear helmets while on the road. According to California Vehicle Code Section 27803, helmets must be compliant with Department of Transportation (DOT) safety standards. A DOT-compliant helmet is designed to protect you from serious head and brain injuries in the event of an accident.  

Failure to wear an approved helmet could result in a traffic citation and potential fines. Additionally, wearing a helmet is critical for protecting your well-being while riding. Data from the National Highway Traffic Safety Administration (NHTSA) shows that wearing a helmet can reduce the risk of fatal injury by 37% for motorcyclists and by 41% for passengers. 

Lane Splitting and Lane Sharing  

Lane splitting—the practice of riding a motorcycle between lanes of slowed or stopped traffic—is legal in California, making it the only state in the U.S. to explicitly allow this practice. However, despite its legality, you should exercise caution and heightened awareness when lane splitting to avoid accidents.  

The California Highway Patrol (CHP) has issued safety tips for lane splitting, which encourage motorcyclists to travel no more than 10 mph faster than the surrounding traffic and to avoid lane splitting when traffic is moving at 30 mph or faster. Riders should also avoid splitting between large vehicles like trucks and buses and always remain vigilant for movements from adjacent drivers who may not see them.  

While lane splitting is legal, lane sharing—when two motorcyclists ride side-by-side in the same lane—can be dangerous and, therefore, should be discouraged. When operating a motorcycle, make sure there is enough space for maneuverability and reaction time to help you stay safe on the road.  

Motorcycle Equipment Requirements

California law specifies that motorcycles must meet certain equipment standards to be legally operated on state roads. According to the California DMV, every motorcycle should be equipped with the following: 

  • Functioning turn signals, especially for motorcycles manufactured after 1973  

  • Mirrors on both the left and right sides of the handlebars 

  • Functioning tires with sufficient tread and air pressure 

  • Working headlamps that are illuminated at all times while riding. California requires that motorcycles manufactured after 1977 have headlights that turn on automatically 

  • Working brakes in both the front and rear wheels 

  • A muffler to prevent excessively loud or modified exhaust systems, per California Vehicle Code Section 27151 

Make sure your motorcycle is equipped with these features to maintain compliance with California law and to enhance your visibility, safety, and consideration for other drivers on the road. 

Insurance Requirements

Similar to cars and other vehicles, California law requires all motorcycles to be insured with a minimum level of liability coverage. According to the California Department of Insurance, as of January 1, 2025, the minimum coverage for all motorcycles must include: 

  • $30,000 for bodily injury or death per person (up from $15,000) 

  • $60,000 for bodily injury or death per accident (up from $30,000) 

  • $15,000 for property damage per accident (up from $5,000) 

Riding without insurance can result in potential fines, license suspension, and significant financial hardship in the event of an accident. Consider carrying insurance that goes beyond the minimum requirements, as the expenses of accidents often exceed the legal minimum coverage limits. Uninsured/underinsured motorist coverage is especially valuable, since many drivers in California lack adequate insurance. 

DUI Laws and Motorcycles

Driving under the influence (DUI) laws apply equally to motorcyclists and motorists in California. A motorcyclist with a blood alcohol content (BAC) of 0.08% or higher is legally considered impaired and subject to the same penalties as intoxicated car drivers.  

The potential penalties for a motorcycle DUI can include license suspension, fines, required completion of a DUI program, and even imprisonment, depending on the severity of the offense and whether it’s a first-time or repeat offense. 

We strongly discourage riding under the influence, as it significantly increases the risk of accidents and injuries. Staying sober behind the handlebars not only protects you but also ensures the safety of everyone sharing the road. 

Reach Out to an Experienced Attorney Today

In California, adhering to helmet laws, exercising caution when lane splitting, maintaining proper insurance, and respecting DUI regulations are all essential parts of riding responsibly. If you or a loved one has been injured in a motorcycle accident or needs legal advice, our attorneys at The Law Offices of Steven Zwick can help. Contact us today to schedule a free consultation.  

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