A. No person shall ride or operate a skateboard on any brickwork, cobblestone or ornamental surface, table, chair, bench, fountain area, planter, or sculpture located in a pedestrian plaza.
B. No person shall operate any motorized vehicle or motorized wheeled vehicle or motorized wheeled device in any pedestrian plaza, except designated vehicle areas, or by permit. The prohibitions of this Section do not apply to authorized service or emergency vehicles or to the following electric mobility devices used by persons who need assistance to be mobile, and used in accordance with all applicable pedestrian plaza and traffic rules:
1. “Electric assisted bicycle” as defined in ORS 801.258;
2. “Motorized wheelchair,” “Mobility scooter” or “Power chair” defined as an electric powered transportation device for one person in a seated position, with feet resting on floorboards or foot rests, and incapable of exceeding a speed of 20 mph; or
3. “Human or personal transporter system” defined as a self-balancing, electric-powered transportation device with two wheels, able to turn in place, and designed to transport one person in a standing position, with a top speed of 20 mph.
C. No person shall operate an electric mobility device in a pedestrian plaza in an unsafe manner or at a speed exceeding 15 mph, or, when pedestrians are present, at a speed exceeding 5 mph, or fail to yield the right-of-way to all pedestrians.