The Bicycle Alliance of Washington - Advocates for bicyclists and a bike-friendly Washington
The Bicycle Alliance of Washington -- promoting bicycling for everyday transportation through education and advocacy

311 3rd Avenue South - Seattle WA 98104
PO Box 2904 - Seattle WA 98111

206.224.9252 - info@bicyclealliance.org

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Bicycle Laws & Safety
Revised Code of Washington State - Bicycle-related
RCWCode DescriptionLink
46.04.071A Bicycle is defined as a human powered device with 2 wheels bigger than 16 inches.
46.61.050Bicycles must obey traffic lights and stop signs (as well as all other traffic control devices)
46.61.126Bicycles & Pedestrians must follow traffic laws
46.61.160Bicycles cannot ride on some limited access highways
bikes forbidden:SR 520, I-405, I-90 (exit 0 to exit 17), I-5 (Lakewood to Marysville), parts of 18, 518, 522 & 599 and a few others.
46.61.261A bicycle must yield to a pedestrian on a sidewalk or crosswalk.
46.61.700Parents are responsible for kids obeying bike laws
46.61.710Mopeds and gas powered bikes & scoters are not allowed on sidewalks or trails.
46.61.710Electric-assist bicycles allowed on sidewalks and trails but maybe locally forbidden.
46.61.723Fully electric powered bikes are not allowed on sidewalks or trails.
46.61.750Bicyclists riding on roads must obey all traffic laws.
46.61.750Bicyclists may be ticketed for violating traffic laws
46.61.750Traffic laws apply on bicycle trails too.
46.61.755Bicycles have all the same RIGHTS and RESPONSIBILITIES as cars.
46.61.755A bicycle is a vehicle on the road or a pedestrian on the sidewalk
46.61.758Must signal turns with left hand. (right: up, left: out, stop: down)
46.61.758Right hand signal for right turn is an acceptable substitute.
46.61.760Only one person per bicycle seat.
46.61.765Clinging to vehicles is illegal
46.61.770Ride as far to the right as is safe and practical except when turning or passing.
46.61.770Bicycles are not required to use a bike lane or shoulder.
46.61.770Bicycles can and should use turn lanes
46.61.770Bicycles can ride on the left (with the traffic flow) on one way streets.
46.61.770Can ride 2 abreast, not more.
46.61.770Can legally take the lane if necessary.
46.61.775Must have at least one hand on the handlebars at all times
46.61.775Cannot ride carrying anything with both hands while riding.
46.61.780Bikes must have brakes
46.61.780At night, bikes must have white light on front, red reflector on the back.
46.61.780Steady or flashing red rear light may be used in addition to the reflector.
46.61.790Legal to bicycle drunk, but police may impound bicycle if you are too drunk.

Some state laws for cars which are useful for bicyclists to know:

RCWCode DescriptionLink
46.04.197A Highway is defined as the width of every public roadway between property lines.
46.04.500A Roadway is defined as a highway excluding sidewalk & shoulder.
46.04.670A Vehicle is defined as a device capable of being moved upon a public highway.
46.04.670Bicycles are defined as vehicles.
46.61.115(b)It is OK to pass cars on the right if safe & there's space for bicycle traffic
46.61.125(1)(d)Car must yield to oncoming bicycle if passing.
46.61.135(3)Illegal to go left around traffic circles.
46.61.185Vehicle turning left must yield to all oncoming vehicles going straight
46.61.205A car on a private road or driveway must yield to all vehicles approaching.
46.61.235Illegal to pass a car stopped for a pedestrian or bicycle.
46.61.261Car must yield to bicycle on sidewalk
46.61.400Max speed: 25 MPH on city streets, 50 on county roads, 60 on state highways
46.61.425May go slow & impede traffic if necessary for safety.
46.61.425May exceed speed limit briefly to pass slow vehicle.
46.61.427Must pull out where safe if five or more vehicles delayed on a 2 lane hwy.
46.61.445Due care is required!
46.61.500Driving in willful or wanton disregard for the safety of persons or property
46.61.606Cars can't drive on sidewalk
46.61.620Check before opening car door. Don't leave car door open.
46.61.667Driver may not hold a celphone to their ear. (effective Jul 1 08)
46.61.668Driver may not send, read or write text message except in emergency.
46.61.670Illegal for car to drive with 2 or 4 wheels off pavement.
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