Lighting laws in Maine
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Department of Transportation
1. General rules; headlights.
A person may not operate a motor vehicle that does not meet the following requirements concerning headlights.
A. A motor vehicle must be equipped with headlights.
B. Headlights must be of sufficient power and so adjusted and operated as to enable the operator to proceed with safety under all ordinary conditions of highway and weather.
2. Location of headlights. On a motor vehicle, a headlight must be located at a height, measured from the center of the headlight, of not more than 54 inches nor less than 22 inches above the level surface on which the vehicle stands. Headlights on snow plows may be at a height greater than 54 inches.
4. Number of headlights. The following rules apply regarding the mounting of headlights.
A. A motor vehicle must have mounted on the front at least 2 headlights, one on each side.
B. A motorcycle must have one mounted headlight
C. A headlight capable of furnishing more than 4 candlepower, if equipped with a reflector, may not be used unless the headlight is designed, equipped or mounted so that no portion of the beam of light, when projected 75 feet or more ahead, rises above a plane of 42 inches higher than and parallel with the level surface on which the vehicle stands.
3. White light. Headlights must be equipped with lenses or reflectors that emit only white light.
§1906. Clearance lights
1. Requirements for vehicle 7 feet or more in width. A vehicle 7 feet or more in width must have a green or amber light attached to the extreme left of the front, adjusted to indicate the extreme left lateral extension of the vehicle or load and at least one red light on the extreme left lateral extension of the vehicle or load on the rear.
2. Requirements for closed body vehicle 8 feet or more in height. A vehicle with a closed body 8 feet or more in height must display 2 green or amber lights attached to the extreme left of the front of its body, one at the top and the other at the bottom. The vehicle must also display at least one red light on the extreme upper left lateral extension of its body.
D. Except as provided in this paragraph, a vehicle may not be equipped with or display a blue light.
(1) Emergency lights used on the following vehicles must emit a blue light or a combination of blue and white light: a police vehicle; a Department of Corrections vehicle as described in subsection 1, paragraph B, subparagraph (6); a vehicle operated by a chief of police, a sheriff or a deputy sheriff; and a vehicle operated by a qualified deputy sheriff or other qualified individual performing court security-related functions and services.
(4) Blue interior auxiliary lighting or dash lighting may be used on any vehicle if no portion of the beam of light is visible at a height of 42 inches above a surface parallel with the level surface on which the vehicle stands at a distance of 20 feet from any part of the vehicle
§1909-A. Fog lights
1. Fog lights. A motor vehicle may be equipped with
2 fog lights upon the front of the motor vehicle that emit amber or white light as long as the rays from the lights do not shine more than 2 feet above the road at a distance of 30 feet. A fog light mounted higher than the center of the main headlights may not be illuminated while a motor vehicle is being operated on a public way.
6. Motorcycle. A motorcycle that does not have an adequate beam for headlights is restricted to daytime operation.
Headlights: 2 minimum
- minimum height: 24 inches
- maximum height: 54 inches
Tail lights: 2 minimum
- minimum height: Below headlights