Is Lane Splitting (Motorcycles) Legal in Washington? (2026)
Partially — Lane Splitting (Motorcycles) is legal with restrictions in Washington as of 2026.
Quick Answer
Washington State allows lane splitting only under limited conditions. RCW 46.61.100 prohibits lane splitting generally but RCW 46.61.100(1)(a) allows motorcycles to pass between lanes of slow or stopped traffic at speeds not exceeding 10 mph.
What the Law Says
Washington law (RCW 46.61.608) entitles motorcycles to the full use of a lane, which prohibits lane splitting.
— Washington Revised Code
| Category | Details |
|---|---|
| Lane Splitting Rules | No specific rules related to possession. |
| Lane Filtering Rules | No specific rules related to sale. |
| Traffic Penalties | Violations can result in fines under RCW 46.61.100. |
| License Requirements | None |
| Pending Legislation | None known |
No significant changes since 2023.
Enforcement Reality
Enforcement of lane splitting laws in Washington is strict, with officers often citing general traffic safety statutes.
A common mistake in Washington is riders assuming that filtering in slow or stopped traffic is permissible, which is generally not the case.
Local Exceptions
None identified. State law applies uniformly across Washington. Local ordinances may still vary — check with your city or county government for any additional rules.
Bottom Line
Lane Splitting (Motorcycles) is legal with restrictions in Washington. This activity is permitted, but specific conditions apply. Violating those conditions can result in fines or criminal charges. Read the rules carefully and consult an attorney if unsure.
Washington vs. the Rest of the US
Across the US, lane splitting on a motorcycle is fully legal in 1 states, restricted in 3, and illegal in 46. Washington falls in the RESTRICTED category.
View the full 50-state map →Reviewed by cross-referencing the cited state statute against current legislative databases and regulatory publications.
Sources & Verification
This page was reviewed by Ethan Harper by comparing the legal status against the cited state statute. AllowedHere is an informational resource and does not provide legal advice. Consult a licensed attorney for guidance specific to your situation.
Comprehensive Washington Legal Guides
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