§ 42-3-202. Number plates furnished to be attached
(1)(a) The owner shall attach the number plates assigned to a self-propelled vehicle, other than a motorcycle or street rod vehicle, to the vehicle with one in the front and the other in the rear. The owner shall attach the number plate assigned to a motorcycle, street rod vehicle, trailer, semitrailer, other vehicle drawn by a motor vehicle, or special mobile machinery to the rear of the vehicle. The owner shall display number plates during the current registration year, except as otherwise provided in this article 3.
(b) If the department issues a validating tab or sticker to a motor vehicle pursuant to section 42-3-201, the current month validating tab or sticker shall be displayed in the bottom left corner of the rear license plate. The current year validating tab or sticker shall be displayed in the bottom right corner of the rear license plate. The tabs or stickers shall be visible at all times.
(2)(a)(I) The owner or driver of a motor vehicle shall securely fasten the license plate to the vehicle to which it is assigned so as to prevent the plate from swinging.
(II) Except when authorized by this article 3 or rule of the department, the rear license plate must be:
(A) Horizontal at a height not less than twelve inches from the ground, measuring from the bottom of the plate;
(B) In a place and position to be clearly visible;
(C) Maintained free from foreign materials and clearly legible;
(D) At the approximate center of the vehicle measured horizontally; and
(E) Mounted on or within eighteen inches of the rear bumper.
(III) Except when authorized by this article 3, the front license plate must be:
(A) Displayed horizontally on the front of a motor vehicle in the location designated by the motor vehicle manufacturer;
(B) Maintained free from foreign materials; and
(C) Clearly legible.
(b) A person shall not operate a motor vehicle with an affixed device or a substance that causes all or a portion of a license plate to be unreadable by a system used to automatically identify a motor vehicle. Such a device includes, without limitation, a cover that distorts angular visibility; alters the color of the plate; or is smoked, tinted, scratched, or dirty so as to impair the legibility of the license plate.
(3)(a) A person who violates any provision of this section commits a class B traffic infraction.
(b) A person who violates paragraph (b) of subsection (2) of this section commits a class A traffic infraction and shall be punished by a fine of one hundred dollars.
(4) Notwithstanding subsections (1) to (3) of this section, the owner of a military vehicle may elect to not display the vehicle's assigned license plate if the license plate is physically in the military vehicle and is available for inspection to any peace officer who requests the plate.
§ 42-12-204. Signal lamps and devices--street-rod vehicles and custom motor vehicles--
definition
(1) As used in this section, “blue dot tail light” means a red lamp installed in the rear of a motor vehicle containing a blue or purple insert that is not more than one inch in diameter.
(2) A street-rod vehicle or custom motor vehicle may use blue dot tail lights for stop lamps, rear turning indicator lamps, rear hazard lamps, and rear reflectors if the lamps comply with all requirements of part 2 of article 4 of this title.
§ 42-9-110. Exemption--antique motor vehicles
This article does not apply to repairs of any motor vehicle twenty-five or more years old or of any motor vehicle that is a collector's item as defined in section 42-12-101.
§ 42-12-403. Special equipment or modification
(1) Unless the presence of special equipment was a prior condition for sale within Colorado at the time an historic or special interest vehicle was manufactured for first use, the presence of such equipment or device is not required as a condition for current legal use.
(2) Any safety device or safety equipment that was manufactured for and installed on a motor vehicle as original equipment must be in proper operating condition when the vehicle is operated on or for highway purposes.
§ 42-4-238. Blue and red lights--illegal use or possession
(1) A person shall not be in actual physical control of a vehicle, except an authorized emergency vehicle as defined in section 42-1-102(6), that the person knows contains a lamp or device that is designed to display, or that is capable of displaying if affixed or attached to the vehicle, a red or blue light visible directly in front of the center of the vehicle.
(2) It shall be an affirmative defense that the defendant was: …
(d) A vendor who exhibits, sells, or offers for sale a lamp or device designed to display, or that is capable of displaying, if affixed or attached to the vehicle, a red or blue light; or
(e) A collector of fire engines, fire suppression vehicles, or ambulances and the vehicle to which the red or blue lamps were affixed is valued for the vehicle's historical interest or as a collector's item.
(3) A violation of this section is a class 1 misdemeanor.
§ 42-4-229. Safety glazing material in motor vehicles
(1) No person shall sell any new motor vehicle, nor shall any new motor vehicle be registered, unless such vehicle is equipped with safety glazing material of a type approved by the department for any required front windshield and wherever glazing material is used in doors and windows of said motor vehicle. This section shall apply to all passenger-type motor vehicles, including passenger buses and school vehicles, but, in respect to camper coaches and trucks, including truck tractors, the requirements as to safety glazing material shall apply only to all glazing material used in required front windshields and that used in doors and windows in the drivers' compartments and such other compartments as are lawfully occupied by passengers in said vehicles.
(2) The term “safety glazing materials” means such glazing materials as will reduce substantially, in comparison with ordinary sheet glass or plate glass, the likelihood of injury to persons by objects from exterior sources or by these safety glazing materials when they may be cracked or broken.
(3) The department shall compile and publish a list of types of glazing material by name approved by it as meeting the requirements of this section, and the department shall not, after January 1, 1958, register any motor vehicle which is subject to the provisions of this section unless it is equipped with an approved type of safety glazing material, and the department shall suspend the registration of any motor vehicle subject to this section which is found to be not so equipped until it is made to conform to the requirements of this section.
(4) A person shall not operate a motor vehicle on a highway unless the vehicle is equipped with a front windshield as provided in this section, except as provided in section 42-4-232(1) and except for motor vehicles registered as collector's items under section 42-12-301 or 42-12-302.
(5) Any person who violates any provision of this section commits a class B traffic infraction.
§ 42-4-218. Single-beam road-lighting equipment
(1) Head lamps arranged to provide a single distribution of light not supplemented by auxiliary driving lamps shall be permitted on motor vehicles manufactured and sold prior to July 15,1936, in lieu of multiple-beam road-lighting equipment specified in section 42-4-216 if the single distribution of light complies with the following requirements and limitations:
(a) The head lamps shall be so aimed that when the vehicle is not loaded none of the high-intensity portion of the light shall, at a distance of twenty-five feet ahead, project higher than a level of five inches below the level of the center of the lamp from which it comes and in no case higher than forty-two inches above the level on which the vehicle stands at a distance of seventy-five feet ahead.
(b) The intensity shall be sufficient to reveal persons and vehicles at a distance of at least two hundred feet.
(2) Any person who violates any provision of this section commits a class B traffic infraction.