Maryland

Motorcycle:

“(a) ‘Motorcycle’ means a motor vehicle that: (1) (i) Has motive power; (ii) Has a seat or saddle for the use of the rider; (iii) Is designed to travel: 1. On not more than three wheels in contact with the ground; and 2. At speeds exceeding 35 miles per hour; and (iv) Is of a type required to comply with all motor vehicle safety standards applicable to motorcycles under federal law; or (2) Is an autocycle. (b) A detachable sidecar is an accessory to and not a part of a motorcycle.”

Motor Scooter:

“(a) ‘Motor scooter’ means a nonpedal vehicle that: (1) Has a seat for the operator; (2) Has two wheels, of which one is 10 inches or more in diameter; (3) Has a step-through chassis; (4) Has a motor: (i) With a rating of 2.7 brake horsepower or less; or (ii) If the motor is an internal combustion engine, with a capacity of 50 cubic centimeters piston displacement or less; and (5) Is equipped with an automatic transmission. (b) ‘Motor scooter’ does not include: (1) An electric low speed scooter; or (2) A vehicle that has been manufactured for off–road use, including a motorcycle and an all–terrain vehicle.”

Moped:

“(a) ‘Moped’ means a bicycle that: (1) Is designed to be operated by human power with the assistance of a motor; (2) Is equipped with pedals that mechanically drive the rear wheel or wheels; (3) Has two or three wheels, of which one is more than 14 inches in diameter; and (4) Has a motor with a rating of 1.5 brake horsepower or less and, if the motor is an internal combustion engine, a capacity of 50 cubic centimeters piston displacement or less. (b) ‘Moped’ does not include an electric bicycle.”