Lane Splitting in Arizona: What Motorcycle Riders Need to Know After an Accident
If you've been injured in a lane splitting Arizona motorcycle accident, you're probably dealing with a lot of uncertainty — about your injuries, your bills, and whether you even have a valid claim. One of the first questions we hear from riders is: "Was I even allowed to do that?" It's a fair question, and the answer matters a great deal for your case. Arizona's laws on lane splitting are specific, and understanding them can make the difference between recovering full compensation and walking away with nothing.
What Is Lane Splitting — and Is It Legal in Arizona?
Lane splitting is the practice of riding a motorcycle between two lanes of slow-moving or stopped traffic, typically on a highway or busy road. It's a common maneuver in many parts of the world, and some states — most notably California — have explicitly legalized it.
Arizona is not one of those states. Under A.R.S. § 28-903, every motorcycle is entitled to the full use of a traffic lane, and no motor vehicle may deprive a motorcycle of that full use. Importantly, the statute also prohibits motorcycles from overtaking or passing another vehicle within the same lane. In plain terms: lane splitting as traditionally defined is illegal in Arizona.
However, there is an important distinction worth knowing. Arizona does permit lane filtering under certain conditions. A.R.S. § 28-903(C), which took effect in 2022, allows motorcyclists to ride between stopped vehicles at a traffic light or stop sign, provided the speed limit on that road is 45 mph or less, the motorcycle travels no faster than 15 mph while filtering, and the movement can be made safely. Lane filtering and lane splitting are not the same thing — filtering applies only to stopped traffic at controlled intersections, not to moving or slow-rolling highway traffic.
If you were riding between lanes of moving traffic on a freeway when a crash occurred, that is lane splitting — and it was likely illegal under Arizona law. That doesn't automatically bar you from recovery, but it will affect how fault is calculated.
How Fault Works in a Lane Splitting Motorcycle Accident in Arizona
Arizona follows a pure comparative fault system under A.R.S. § 12-2505. This means that even if you were partially at fault for the accident — including by lane splitting illegally — you can still recover compensation. Your total damages are simply reduced by your percentage of fault. For example, if your damages are $100,000 and a jury finds you 30% at fault, you would recover $70,000.
This is meaningfully different from states that bar recovery entirely if a plaintiff is more than 50% at fault. In Arizona, you can be 99% at fault and still technically recover 1% of your damages. For a deeper look at how this plays out in real accident cases, see our post on Arizona Comparative Negligence Law Explained.
What this means for lane splitting cases is that the other driver's conduct still matters — a lot. If a car suddenly changed lanes without signaling, drifted out of their lane, opened a door into your path, or was distracted or impaired, they bear real responsibility for the crash regardless of what you were doing. Our Motorcycle Accidents attorneys work to build the strongest possible picture of what the other driver did wrong, so that your fault percentage is kept as low as the evidence supports.
Common Injuries in Lane Splitting Accidents
Because lane splitting typically occurs in tight spaces at close range to other vehicles, injuries tend to be severe. Riders involved in these crashes frequently suffer:
- Road rash and deep lacerations from contact with asphalt or vehicle surfaces
- Broken arms, wrists, and collar bones from impact or bracing against a fall
- Traumatic brain injuries, even when a helmet is worn
- Spinal cord injuries and nerve damage
- Crush injuries to the legs and feet when caught between vehicles
- Internal organ damage from blunt trauma
These injuries can mean weeks or months of missed work, extensive medical treatment, and permanent limitations. If the other driver was negligent, Arizona law allows you to seek compensation for all of these losses — medical expenses, lost income, pain and suffering, and more.
What Insurance Companies Will Try to Do
If you were lane splitting when the accident happened, expect the other driver's insurance company to use that fact aggressively. Adjusters will argue that your illegal maneuver was the primary — or sole — cause of the crash, and they will push for a settlement that reflects a high fault percentage assigned to you. Some may try to pressure you into a quick, lowball settlement before you've fully understood the extent of your injuries or consulted an attorney.
Don't accept any settlement offer without speaking to a lawyer first. What feels like a reasonable offer in the first few days after an accident often falls far short of what you'll actually need as medical bills accumulate and the full impact of your injuries becomes clear. Our car accident attorneys deal with these insurance tactics regularly and know exactly how to push back.
Steps to Take After a Lane Splitting Accident in Arizona
The actions you take immediately after a crash can have a direct impact on your ability to recover compensation. Here's what we recommend:
- Call 911. Get a police report on record, even if your injuries seem minor at first.
- Seek medical attention right away. Some serious injuries — including internal bleeding and concussions — aren't immediately obvious. A same-day medical visit also documents your injuries from the start.
- Document the scene. Photograph the vehicles, road markings, skid marks, traffic signals, and any visible injuries before anything is moved.
- Get witness information. Bystander accounts can be invaluable in a comparative fault dispute.
- Avoid giving recorded statements to insurance adjusters before speaking with an attorney. Anything you say can be used to inflate your fault percentage.
- Contact a motorcycle accident attorney as soon as possible. Arizona's statute of limitations for personal injury claims is generally two years from the date of injury under A.R.S. § 12-542, but evidence disappears fast. For more on filing deadlines, see our post on the Arizona Statute of Limitations for Personal Injury.
Talk to an Arizona Motorcycle Accident Attorney Today
A lane splitting Arizona motorcycle accident is complicated, but complicated doesn't mean hopeless. Arizona's comparative fault system means you may still have a strong claim even if you bear some responsibility for what happened. What matters is having an attorney who understands the law, knows how to challenge the other side's version of events, and will fight for every dollar you're owed.
At Sher Law Group PLLC, we represent injured motorcyclists throughout the Phoenix and Scottsdale area. There's no fee unless we win your case, and your first consultation is completely free. Call us today at 480-418-7437 or reach out online to tell us what happened. We're here to help.