R.I. Gen. Laws § 31-22-4: Overloading of vehicles.

(a) No person shall drive a vehicle when it is so loaded, or when there are in the front seat such a number of persons, exceeding three (3), as to obstruct the view of the driver to the front or sides of the vehicle or as to interfere with the driver’s control over the driving mechanism of the vehicle.

(b) No passenger in a vehicle shall ride in any position as to interfere with the driver’s view ahead or to the sides, or to interfere with the driver’s control over the driving mechanism of the vehicle.

(c) Violations of this section are subject to fines enumerated in § 31-41.1-4.