R.I. Gen. Laws § 31-1-3.1: Autocycles.

(a) “Autocycle” means only those motor vehicles that:

(1) Do not have more than three (3) wheels in contact with the ground;

(2) Are designed to be controlled with a steering wheel and foot pedals for acceleration, braking, or shifting;

(3) Are equipped with seating that does not require occupants to straddle or sit astride the seating; and

(4) Are manufactured and certified to comply with federal safety requirements for a motorcycle.

(b) Except as otherwise provided in this title, an “autocycle” shall be considered to be a “motorcycle” as defined in § 31-1-3.