R.I. Gen. Laws § 31-13-4: Obedience to devices.

The driver of any vehicle shall obey the instructions of any official traffic control device applicable to him or her placed in accordance with the provisions of chapters 12 — 27 of this title, unless otherwise directed by a traffic or police officer, subject to the exceptions granted the driver of an authorized emergency vehicle in those chapters. Violations of this section are subject to fines enumerated in § 31-41.1-4.