Rhode Island Code of Regulations
Title 280 - Department of Revenue
Chapter 30 - Division of Motor Vehicles
Subchapter 15 - Safety and Emissions
Part 6 - Regulations for the Safety Inspection of Farm Vehicles
Section 280-RICR-30-15-6.6 - Inspection of Combinations of Vehicles

a. The farm tractor shall be equipped as required in § 6.5 of this Part;

b. If the towed unit or its load extends more than four (4) feet to the rear of the tractor or obscures any light thereon, said unit shall be equipped on the rear with at least two (2) red reflectors visible for all distances within six-hundred (600) feet to one hundred (100) feet to the rear when directly in front of lawful lower beams of head lamps;

c. If the towed unit of such combination extends more than four (4) feet to the left of the center line of the tractor, said unit shall be equipped on the front with the amber reflector visible from all distances within six hundred (600) feet to one hundred (100) feet to the front when directly in front of lawful lower beams of head lamps. This reflector shall be positioned so as to indicate as nearly as practicable, the extreme left projection of the towed unit;

d. The two (2) red reflectors required in § 6.5 of this Part shall be so positioned as to show from the rear, as nearly as practicable, the extreme width of the vehicle or combination carrying them. Provided that all other provisions are met, reflective tape or paint may be used in lieu of the reflectors required by § 6.5 of this Part.