WashingtonElectric bicycle classes, 2026 definition, and access
Washington defines three e-bike classes up to 750 watts, with 2026 amendments excluding devices capable of more than 20 mph under motor power alone and easily configured noncompliant devices. Class 1 and 2 path use is subject to local/state limits; Class 3 is limited to a highway or adjacent path or local authorization. Class 3 sidewalk riding is barred except specified route/authorization cases; Class 3 minimum age is 16. No statewide helmet mandate was verified.
- Code
- RCW §§ 46.04.169, 46.61.710, 46.20.500; 2026 c.159 Revised Code of Washington
- Applies to
- statewide
King CountyE-bike access, speed, and conduct on County trails and park paths
Class 1 and 2 e-assist bicycles may use regional trails and paved pathways in County parks unless posted otherwise; Class 3 is prohibited on trails and pathways. A 15-mph default applies on regional and backcountry trails; riders must yield to pedestrians and equestrians and use caution and lights at dawn and dusk.
- Code
- King County Code § 7.12.315; Ord. 19771 § 26 King County e-assist bicycle trail rule
- Applies to
- countywide
SeattleE-bike use on named City park multi-use trails
City parks rules generally prohibit motorized vehicles on trails but allow Class 1 and 2 e-bikes on named Multi-Use Trails. The Green Lake Inner Loop prohibits motorized vehicles other than mobility devices; City guidance sets a 15-mph limit on multi-use trails and 10 mph at Green Lake.
- Code
- Seattle Parks Rules and Regulations; Multi-Use Trail Policy Seattle Parks e-bike trail rule
- Applies to
- city
