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πŸ›΄ Mobility & Curb Rules/Bike Lane Rules

Bike Lane Rules: Auburn vs Seattle

How do bike lane rules rules compare between Auburn, WA and Seattle, WA?

Auburn and Seattle have similar restriction levels.

Auburn, WA

King County

Some Restrictions

King County's Regional Trails System and the 2018 Strategic Plan for Road Services govern bike lanes, separated cycle tracks, and shared-use paths across unincorporated roads, with cities adopting similar Complete Streets policies.

View full Auburn rules β†’

Seattle, WA

King County

Some Restrictions

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.

View full Seattle rules β†’

Key Facts Comparison

FactAuburnSeattle
State ruleRCW 46.61.755-
Major trailsEastrail, Burke-Gilman-
County policyComplete Streets ordinance-
Default fineAround $136-
Code-SMC 11.40
State law-RCW 46.61.755
PBL miles-100+
Helmet for adults-Not required

Highlighted rows indicate differences between cities.

Auburn FAQ

Can I stop in a bike lane to drop someone off?

Generally no. Stopping or standing in a bike lane is prohibited except for momentary movements at marked driveways or where signage authorizes loading.

Are e-bikes allowed on regional trails?

Class 1 and Class 2 e-bikes are allowed on most King County regional trails subject to posted speed limits. Class 3 use depends on the specific trail.

Seattle FAQ

Can I ride my bike on Seattle sidewalks?

Yes, except where signs prohibit (downtown core, transit malls). Cyclists must yield to pedestrians and ride at safe speed under SMC 11.44.120.

Is there a Seattle helmet law?

King County's mandatory helmet rule was repealed in 2022 over equity concerns. Helmets are still strongly encouraged, especially for children under 16.

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