(a) On any sidewalk within the area bounded by the eastern sidewalk along Lincoln Street between 8th and 13th Avenues, the northern sidewalk along 8th Avenue between Lincoln and Pearl Streets, on either side of Willamette Street between 7th and 8th Avenues, the eastern sidewalk along Pearl Street between 8th and 13th Avenues, on either side of Broadway between Pearl and High Streets, and on the northern sidewalk along 13th Avenue between Pearl and Lincoln Streets.

(b) In any multi-level parking facility within the city.

(c) Within ten feet of any major bus transfer station.

(d) In the portion of a street designated for automobile traffic, except when crossing a street in a crosswalk or at a right angle.

(e) On Alder Street, including the sidewalks thereof, between and including the southern sidewalk of East 12th Avenue and the northern sidewalk of East 14th Avenue, nor on East 13th Avenue, including the sidewalks thereof, between and including the eastern sidewalk of Pearl Street and the eastern sidewalk of Kincaid Street.

(a) Rides a skateboard upon a sidewalk where prohibited;

(b) Rides a skateboard upon a sidewalk where not otherwise prohibited and does not yield the right of way to all pedestrians on the sidewalk; or

(c) Rides a skateboard on a sidewalk in a careless manner that endangers or would be likely to endanger any person or property.