Washington Driving & Vehicles Laws (2026)

A comprehensive legal reference for driving & vehicles in the state of Washington. This guide covers current statutes, penalties, and restrictions for 8 different categories.

Washington State law does not prohibit driving barefoot. The Revised Code of Washington and Department of Licensing do not mention footwear requirements for drivers. Driving barefoot is legal and unrestricted.

State Law

None

Practical Considerations

None

Penalties

N/A

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.

Lane Splitting Rules

No specific rules related to possession.

Lane Filtering Rules

No specific rules related to sale.

Penalties

Violations can result in fines under RCW 46.61.100.

License Requirements

None

License plate covers of any kind are illegal in Washington. A law effective in June 2024 made it a primary offense to have a license plate cover, with fines starting in 2025.

Usage Rules

Illegal — all covers prohibited

Purchase & Sale

Illegal to sell or use on vehicles

Penalties

Traffic infraction with fines; may result in vehicle inspection failure.

Age Restriction

N/A

Radar detectors are legal for use and possession in private vehicles in Washington State. Washington law does not prohibit radar detectors, and their sale is permitted. Commercial vehicles may be subject to federal restrictions.

Passenger Vehicle Use

Legal for private passenger vehicles.

Commercial Vehicle Rules

No restrictions on sale or purchase.

Penalties

N/A

Age Restriction

None

Both radar jammers (federally illegal) and laser jammers are illegal in Washington. There have been no recent legislative changes in Washington regarding laser jammers.

State Law

Illegal — both radar and laser jammers

Federal Law

Illegal to sell or possess

Penalties

Federal fines for radar jammers; state penalties for laser jammers including fines and equipment confiscation.

Age Restriction

N/A

Right turn on red is legal in Washington after coming to a complete stop and yielding to pedestrians and cross traffic, unless a sign prohibits it at a specific intersection. Washington law permits a right turn on a red light after a complete stop, unless a sign specifically prohibits it.

General Rule

Legal after complete stop

Exceptions & Restrictions

N/A

Penalties

Traffic violation if sign prohibits it at specific intersection.

Driver Requirements

N/A

Studded Snow Tires are legal in Washington. The use of studded tires is restricted to specific winter months in Washington.

Usage Rules

Legal during winter season only

Seasonal Restrictions

Legal

Penalties

Fines for use outside the permitted season.

Age Restriction

N/A

Window Tinting is legal in Washington. Windshield tinting is allowed only above the AS-1 line. Rear side and back windows may be tinted without restriction. Medical exemptions are provided under RCW 46.37.430.

Tint Limits (VLT %)

Allowed if tint meets VLT requirements; medical exemptions apply.

Medical Exemptions

Legal to sell tint films compliant with state regulations.

Penalties

Fines and possible tint removal orders.

Age Restriction

None