MT HB588

Defines "motorized scooter" as a vehicle without a seat that may be propelled by muscular power or an independent power source (engine or motor) with a maximum speed not exceeding 30 miles per hour on a level surface

Excludes motorized scooters from the definition of "motor vehicle," meaning they are not subject to titling, registration, or mandatory liability insurance requirements

Extends existing bicycle and moped traffic regulations to motorized scooters, including requirements for lights, reflectors, brakes, and rules for operating on sidewalks and highways

Requires operators and passengers under 18 years of age to wear protective headgear meeting Department of Justice standards when operating motorized scooters on streets or highways

Allows motorized scooter racing on highways only when approved by state or local authorities under conditions ensuring safety for participants, spectators, and other highway users