SMC 11.40.250 Playing in streets - Seattle Municipal Code

No person upon roller skates, or riding in or by means of any coaster, skateboard, toy vehicle or similar device, shall go upon the roadway of any arterial street or transit coach route, except while crossing such street at a crosswalk; or engage in any sport, amusement or exercise or play in the roadway of any street.
(Ord. 108200 Section 2(11.40.250), 1979.)