Thurston County, WA Mobility & Curb Rules: Bike Lane Rules (2026)

600 sets three riding rules for bicyclists using county roadways. Riders must stay as near the right side of the roadway as practicable, using due care when passing a standing vehicle or one moving in the same direction. Bicyclists may not ride more than two abreast on a roadway, except on paths or portions of roadway set aside exclusively for bicycles. Where a usable bicycle path runs alongside a roadway, riders must use that path and are barred from the roadway itself. 610, that also covers proper seating, passenger limits, no clinging to other vehicles, carrying articles that block handlebar control, and required lamps and reflectors after dark.

610, and confirms the rules apply whenever a bicycle is ridden on a highway or on a path reserved exclusively for bicycles. 060(C), part of the county's wheeled all-terrain vehicle (WATV) chapter, prohibits operating or parking any WATV on a sidewalk, walkway, pedestrian trail, designated bicycle lane, or bridge closed to motor vehicles, protecting bike lanes from motorized incursion. 030 at a fine up to $300, up to 90 days in county jail, or both.