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.
R.I. Gen. Laws § 31-13-4