Mobility & Curb Rules in Seattle, WA: What Residents Actually Need to Know

If you live in Seattle or are thinking about moving there, mobility & curb rules are one of those things you probably won't think about until they affect you directly. Seattle has 2 specific rules on the books covering different aspects of mobility & curb rules, and some of them might surprise you.

Bike Lane Rules

Seattle SMC 11.40 plus the Bicycle Master Plan govern cyclists. Bikes follow vehicle traffic laws, may use protected and conventional bike lanes, and must yield in shared spaces. Seattle has 100+ miles of protected and neighborhood-greenway lanes.

Key details: Code: SMC 11.40. State law: RCW 46.61.755. PBL miles: 100+. Helmet for adults: Not required.

Driving or parking in a bike lane: traffic infraction, $103 base fine, more in school zones. Riding without lights at night: $30. Failure to yield to pedestrians: variable infraction.

Shared E-Scooter Rules

Seattle SDOT permits shared e-scooter operators under SMC 11.65 (since 2020). Lime, Bird, Veo, and others share the streets. Scooters must be ridden in bike lanes or streets, parked upright off pedestrian paths, and capped at 15 mph.

Key details: Code: SMC 11.65. Speed cap: 15 mph. Min age: 16 years. Started: September 2020. Authority: SDOT.

Sidewalk riding in Center City: $50 ticket. Underage: violation by parent/guardian. Scooter blocking ADA path: operator fine $50-$250 per device. DUI on e-scooter: same as DUI on car.

The Bottom Line

Seattle's mobility & curb rules rules are a mixed bag. Some areas are strict, others are relaxed, and the details matter. The best approach is to check the specific rule that applies to your situation rather than assuming Seattle is broadly strict or permissive.

Keep in mind that Seattle can amend these rules at any council meeting. For the most current version of any rule mentioned here, check the specific ordinance page, where we track updates as they happen.