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Wheel & Tire Protrusion in Washington

Vehicle type: Truck

Conditional

Washington requires fenders, covers, flaps, or splash aprons adequate to minimize rear spray on every motor vehicle — and the device must be at least as wide as the tire behind which it is mounted, extending downward at least to the center of the axle.

Verified against primary sources · August 2026

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Frequently Asked Questions

Are wheel & tire protrusion legal in Washington?
Washington requires fenders, covers, flaps, or splash aprons adequate to minimize rear spray on every motor vehicle — and the device must be at least as wide as the tire behind which it is mounted, extending downward at least to the center of the axle.
What are the wheel & tire protrusion limits in Washington?
Washington requires fenders, covers, flaps, or splash aprons adequate to minimize rear spray on every motor vehicle — and the device must be at least as wide as the tire behind which it is mounted, extending downward at least to the center of the axle. For specific numeric limits and thresholds, see our full compliance report.
Are there exceptions for wheel & tire protrusion in Washington?
Yes, there may be exceptions and exemptions. Get the full details including medical exemptions and edge cases in our compliance report.

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