What is the definition of a motorized scooter which is legal to use in Washington State?
An “electric personal assistive mobility device” (EPAMD) means a self-balancing device with two wheels not in tandem, designed to transport only one person by an electric propulsion system with an average power of seven hundred fifty watts (one horsepower) having a maximum speed on a paved level surface, when powered solely by such propulsion while ridden by an operator weighing one hundred seventy pounds, or less than twenty miles per hour. (RCW 46.04.1695) A “motorized foot scooter” means a device with no more than 2 ten-inch or smaller diameter wheels, has handlebars, is designed to be stood or sat upon by the operator, and is powered by an internal combustion engine or electric motor that is capable of propelling the device with or without human propulsion. (RCW 46.04.