SMC 11.58.310 Regard for pedestrians - Seattle Municipal Code

Notwithstanding the provisions of Chapters 11.40 and 11.44, every operator of a vehicle shall exercise due care to avoid colliding with any pedestrian or person riding a bicycle upon any roadway and shall give warning by sounding the horn when necessary, and shall exercise all proper precautions upon observing any child or any obviously confused or incapacitated person upon a roadway. (RCW 46.61.245)
(Ord. 108200 Section 2(11.58.310), 1979.)