R.I. Gen. Laws § 31-22-6: Coasting prohibited.

(a) The driver of any motor vehicle when traveling upon a down grade shall not coast with the gears of the vehicle in neutral.

(b) The driver of a commercial motor vehicle, when traveling upon a down grade, shall not coast with the clutch disengaged.

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