Maryland Code, Transportation § 11-117.2

(1) Is designed to transport only the operator;

(2) Weighs less than 100 pounds;

(3) Has single wheels in tandem or a combination of one or two wheels at the front and rear of the vehicle;

(4) Is equipped with handlebars and a platform designed to be stood on while riding;

(5) Is solely powered by an electric motor and human power; and

(6) Is capable of operating at a speed of up to 20 miles per hour.

(1) An electric personal assistive mobility device; or

(2) An electric wheelchair or other mobility aid used by a disabled individual.