Source: https://kensun.com/pages/rhode-island
Timestamp: 2019-04-20 08:23:23+00:00

Document:
Any lighted lamp or illuminating device on a motor vehicle (other than headlamps, spot lamps, auxiliary lamps, flashing front direction signals) which projects a beam of an intensity greater than 300 candlepower (3770 lumens) shall be directed so that the beam will not strike the level of the road at a distance of more than 75 feet from the vehicle.
Any lamp or device on a vehicle displaying a red light visible from directly in front of its center is prohibited. Front lamps, marker lamps, and reflectors on the front or on the side near the front of a vehicle shall display or reflect an amber color.
Flashing lights are prohibited. Any vehicle may be equipped with not more than two road lamps or fog lamps, which shall be mounted below the level of the head lamps and aimed so that the beam shall not rise more than 18 inches above the ground at a distance of 75 feet or more in front of the vehicle. Fog lamps and road lamps shall not be used instead of head lamps.
§ 31-24-1 Times when lights required.
(a) Every vehicle upon a highway within this state at any time from sunset to sunrise and at any other time when windshield wipers are in use, as a result of rain, sleet, snow, hail or other unfavorable atmospheric condition, or at any other time when there is not sufficient light or visibility, because of severe rain or any other condition, to clearly see persons and vehicles on the highway at a distance of five hundred feet (500') ahead, shall display lighted lamps and illuminating devices as respectively required under this chapter for different classes of vehicles, subject to the exceptions given in this chapter with respect to parked vehicles.
§ 31-24-4 Head lamps on vehicles other than cycles.
Every motor vehicle other than a motorcycle or motor-driven cycle shall be equipped with at least two (2) head lamps with at least one on each side of the front of the motor vehicle, and the head lamps shall comply with the requirements and limitations of this chapter. Violations of this section are subject to fines enumerated in § 31-41.1-4.
§ 31-24-3 Measurement of height of lamps.
Whenever a requirement is declared in this chapter as to the mounted height of lamps or devices, it shall mean from the center of the lamp or device to the level ground upon which the vehicle stands when the vehicle is without a load.
§ 31-24-14 Specifications for stop or signal lamps.
A stop lamp shall be plainly visible and understandable from a distance of one hundred feet (100') to the rear both during normal sunlight and at nighttime, and a signal lamp or lamps indicating intention to turn shall be visible and understandable during daytime and nighttime from a distance of one hundred feet (100') both to the front and rear.
§ 31-24-26 Head lamps of slow vehicles.
Any motor vehicle may be operated under the conditions specified in § 31-24-1 when equipped with two (2) lighted lamps upon the front of it capable of revealing persons and objects seventy-five feet (75') ahead in lieu of lamps required in §§ 31-24-22 or 31-24-24; provided, that at no time shall it be operated at a speed in excess of twenty miles per hour (20 m.p.h.). Violations of this section are subject to fines enumerated in § 31-41.1-4.
§ 31-24-30 Red lights in front prohibited.
No person shall drive or move any vehicle or equipment upon any highway with any lamp or device on it displaying a red light visible from directly in front of the center of it. This section shall not apply to any vehicle upon which a red light visible from the front is expressly authorized or required by chapters 1 – 27 of this title. Violations of this section are subject to fines enumerated in § 31-41.1-4.
§ 31-24-38 Color of clearance and marker lamps and reflectors.
(c) All lighting devices and reflectors mounted on the rear of any vehicle shall display or reflect a red color, except the stop light or other signal device, which may be red, amber, or yellow, and except that the light illuminating the license plate or the light emitted by a back up lamp shall be white.
(a) Flashing lights are prohibited, except on an authorized emergency vehicle, school bus, snow removal equipment, or on any vehicle as a means for indicating a right or left turn.
Any motor vehicle may be equipped with not to exceed two (2) spot lamps and every lighted spot lamp shall be aimed and used upon approaching another vehicle so that no part of the high-intensity portion of the beam will be directed to the left of the prolongation of the extreme left side of the vehicle nor more than one hundred feet (100') ahead of the vehicle.
§ 31-24-17 Road lamps and fog lamps.
Any motor vehicle may be equipped with not more than two (2) road lamps or fog lamps which shall be rigidly affixed to the motor vehicle below the level of the head lamps, and shall be so aimed and used that no part of the high-intensity portion of the light beam shall rise more than eighteen inches (18") above the ground at a distance of seventy-five feet (75') or more in front of the vehicle or be directed left of the prolongation of the extreme left side of the vehicle. Fog lamps and road lamps shall not be used in lieu of head lamps.

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