August is peak motorcycle riding season in the Pacific Northwest. As longer days and drier roads draw more riders onto Washington streets and highways, the risk of crashes rises too.
A motorcycle accident can raise legal questions that don’t arise in the same way after a typical car accident. Motorcycle injuries are often more severe, some insurance rules are different, and riders may face biases about speeding or recklessness before the evidence is reviewed.
This guide explains Washington rider laws, insurance realities, liability, and the factors that may affect a claim’s value. It can also help riders decide whether to speak with a motorcycle personal injury attorney, including a Seattle motorcycle accident lawyer familiar with Washington law.
Why Are Motorcycle Accidents More Dangerous Than Car Crashes?
Motorcycle accidents are more dangerous because riders have less protection when a crash occurs. Unlike people in passenger vehicles, motorcyclists don’t have a steel frame, airbags, seat belts, or crumple zones to absorb the force of an impact.
The difference is significant. According to the National Highway Traffic Safety Administration, motorcyclists were nearly 28 times more likely than passenger car occupants to die in a crash per mile traveled in 2023.
Washington data shows a similar imbalance. From 2018 through 2022, motorcycles represented only 3% of registered vehicles in Washington state but accounted for 16% of all traffic fatalities.
These numbers show how much higher the stakes can be when a rider is struck by another vehicle or loses control.
Common Injuries After a Motorcycle Crash
Because riders have less protection, motorcyclists can have several serious injuries at once:
- Road rash and other severe abrasions
- Broken bones and fractures
- Spinal cord injuries
- Internal bleeding or organ damage
- Traumatic brain injuries, even if the rider wears a helmet
What Does Washington Law Require of Motorcycle Riders?
Washington law generally requires anyone riding a motorcycle on public roads to wear a DOT-certified helmet. Motorcycle operators must also have the appropriate license endorsement and use approved eye protection if the motorcycle doesn’t have a windshield. These helmet requirements do not contain an exemption based on the rider’s age or experience.
Under RCW 46.37.530, helmets must meet U.S. Department of Transportation safety standards and have a securely fastened chin or neck strap. Riders must also wear approved glasses, goggles, or a face shield if the motorcycle doesn’t have a windshield.
Anyone operating a two- or three-wheeled motorcycle must also have the appropriate license endorsement under RCW 46.20.500.
Is Lane Splitting Legal in Washington?
No. Lane splitting is illegal in Washington.
Under RCW 46.61.608, motorcyclists may not ride between lanes of traffic or between adjacent rows of vehicles, including stopped vehicles. The Washington Traffic Safety Commission reiterated that prohibition in August 2025.
Do Motorcyclists Have to Carry Insurance in Washington?
Yes. Washington generally requires motorcycle operators to carry liability insurance or maintain another accepted form of financial responsibility.
Under RCW 46.30.020, a rider who causes a crash can be held financially responsible for the injuries and property damage that result.
Liability insurance covers damage the rider causes, but it may not protect the rider when someone else is at fault. That’s why uninsured and underinsured motorist coverage can be valuable. Although UM/UIM coverage isn’t required, it may provide protection when the responsible driver has no insurance or not enough coverage to pay for the rider’s losses.
Motorcyclists should also be sure to include personal injury protection (PIP) coverage with their insurance, which is mandatory in Washington. PIP pays for medical expenses after a motorcycle injury regardless of who was at fault, and PIP does not require co-pays or deductibles like health insurance does. It is also very inexpensive.
Who Is Liable When a Vehicle Hits a Motorcyclist?
The Washington fault rules that apply to other vehicle collisions also apply when a driver hits a motorcyclist. Liability depends on who acted negligently and caused the crash.
Automobile drivers have a responsibility to watch the road, check blind spots, and yield when required. Saying “I didn’t see the motorcyclist” doesn’t automatically remove responsibility.
Still, insurers and juries may mistakenly assume a rider was speeding, weaving through traffic, or otherwise acting recklessly before all the facts are known. Police reports, photographs, witness statements, video footage, and vehicle damage can help establish what happened. A motorcycle injury attorney can help gather and present that evidence when fault is disputed.
What Should a Rider Do Immediately After a Motorcycle Accident?
The first steps to take if you’re injured in a motorcycle accident are to get medical attention, then report the crash and document what happened.
These six steps are an actionable guide to what to do if you’re in an accident:
- Get medical attention, even if your symptoms initially seem minor
- Call the police and file a report
- Photograph or video the scene, injuries, and vehicle damage
- Exchange contact and insurance information
- Avoid admitting fault or speculating about the cause
- Notify your insurer promptly and stick to the facts
How Do Insurance Companies Treat Motorcycle Injury Claims Differently?
Insurance companies may approach motorcycle injury claims with more skepticism than ordinary car accident claims. Some adjusters may assume the rider was speeding or acting recklessly before reviewing all the evidence.
That bias can affect how fault is assigned, how injuries are evaluated, and whether an insurer makes a low offer or delays the claim.
Not every insurer handles motorcycle claims this way. Still, riders should be aware of the potential bias and make sure decisions are based on the facts. Repeated unreasonable delays, denials, or undervaluation may also raise concerns about bad-faith insurance practices.
What Affects the Value of a Motorcycle Accident Claim?
The value of a motorcycle accident claim is affected by the severity and permanence of injuries, the strength of the liability evidence, and insurance coverage. Medical expenses, lost income, future treatment needs, and the effect on the rider’s daily life may also influence the outcome.
Even crashes that appear similar can lead to very different motorcycle accident settlements. Clear evidence of fault can strengthen a claim, while disputed or shared fault can reduce the amount recoverable. The outcome may also depend on the at-fault driver’s policy limits and any UM/UIM coverage available through the rider’s own insurance.
When Traumatic Brain Injury (TBI) Is Involved
A helmet can reduce the risk of serious head trauma, but it cannot prevent every traumatic brain injury.
These claims can be complex. Symptoms may be delayed, difficult to document, or mistaken for unrelated problems. That’s why careful medical evaluation and documentation help show the full impact of the injury.
How Adler Giersch Supports Motorcycle Accident Clients
Adler Giersch takes a personalized, case-by-case approach to motorcycle accident claims. Our attorneys take time to understand how the crash affects your health, work, family, and long-term recovery.
Our firm also has strong ties to Washington’s medical and rehabilitation community, including chiropractors, physical therapists, and providers affiliated with UW Medicine. That experience helps our team understand complex injuries, treatment needs, and medical documentation.
From our offices in Seattle, Everett, Issaquah, and Kent, we serve injured riders throughout Washington, including in Tacoma, Renton, and surrounding communities. To learn more before contacting us, explore our free guide, From Injury to Action: Navigating Your Personal Injury Claim.
Recovering from a motorcycle crash can be demanding enough without also having to sort through questions about fault, insurance coverage, medical bills, and the value of a potential claim.
Legal and insurance concerns add another layer of stress while you’re trying to heal and regain a sense of normalcy.
Every motorcycle accident is different, and the right next step depends on the facts, the injuries involved, and the coverage available. Clear information can help you make decisions with greater confidence.
If a motorcycle accident injured you or someone you know, Adler Giersch can review what happened, answer your questions, and explain your options. You’re welcome to request a private, confidential consultation when you’re ready.
