R.I. Gen. Laws § 31-24-27: Display of lighted lamps required.

At all times specified in § 31-24-1, at least two (2) lighted lamps shall be displayed one on each side at the front of every motor vehicle other than a motorcycle or motor-driven cycle, except when the vehicle is parked subject to the regulations governing lights on parked vehicles. Violations of this section are subject to fines enumerated in § 31-41.1-4.