Laws - View Law: Motorized scooters banned from Phoenix streets, sidewalks
Applies to any "motorized vehicle that is self-propelled by a motor or engine," whether it be gas or electric, and can reach the speed of up to 50 mph, are banned on any kind of public land - that includes parks and alleys - and can only be used on private property with the written consent of the owner… according to the ordinance
Those who violate the rules will be subject to a traffic citation, just as drivers who speed or fail to yield at a stoplight are. And parents whose children are cited are just as liable - even if they didn't know their kids were using the skateboards in an inappropriate manner, or place.
See also: MOTORIZED SKATEBOARDS for more information about motorized skateboards.