Title 42, Vehicles and Traffic

(1) If the commission determines pursuant to section 42-4-306 (23)(b) to implement an expanded clean screen program in the enhanced emissions program area, there shall be created a clean screen authority consisting of the executive director of the department of public health and …

(1) and (2) Repealed. (3) The Colorado department of transportation shall work with the department of public health and environment to identify locations that may accommodate unmanned remote sensing devices without causing a safety hazard. (4) The commission shall evaluate option…

(1) (a) Applications for an inspection and readjustment station license, an inspection-only facility license, a fleet inspection station license, a motor vehicle dealer test facility license, an emissions inspector license, an enhanced inspection center license, or an emissions m…

(1) (a) Any person in whose name twenty or more motor vehicles, required to be inspected, are registered in this state or to whom said number of vehicles are leased for a period of not less than six continuous months and who operates a motor vehicle repair garage or shop adequate…

(1) (a) (I) Subject to subsection (4) of this section, a motor vehicle that is required to be registered in the program area shall not be sold, registered for the first time without a certification of emissions compliance, or reregistered unless the vehicle has passed a clean scr…

(1) (a) No inspection and readjustment station license, inspection-only facility license, fleet inspection station license, motor vehicle dealer test facility license, or enhanced inspection center contract may be assigned or transferred or used at any other than the station, fac…

(1) No person shall in any manner represent any place as an inspection and readjustment station, inspection-only facility, fleet inspection station, motor vehicle dealer test facility, or enhanced inspection center or shall claim to be a licensed emissions inspector or licensed e…

(1) (a) No person shall make, issue, or knowingly use any imitation or deceptively similar or counterfeit certification of emissions control form. (b) No person shall possess a certification of emissions control if such person knows the same is fictitious, or was issued for anoth…

(1) A person shall not knowingly disconnect, deactivate, or otherwise render inoperable a motor vehicle's emissions control system that has been installed by the manufacturer of any automobile of a model year of 1968 or later, except to repair or replace a part or all of the syst…

No provision of sections 42-4-301 to 42-4-316 shall be deemed to prevent, or interpreted so as to hinder, the enforcement of any applicable motor vehicle part or emissions control systems performance warranty. Source: L. 94: Entire title amended with relocations, p. 2311, § 1, ef…

(1) If the commission and the lead air quality planning agency of any portion of the program area agree that it has been demonstrated that any portion of the program meets ambient air quality standards and transportation conformity requirements, in compliance with federal acts, t…

The commission shall have the authority to eliminate all requirements for regularly scheduled basic or enhanced emissions inspections of motor vehicles if the commission finds that this action does not violate federal air quality standards. Source: L. 2006: Entire section added, …

As used in this part 4, unless the context otherwise requires: (1) "Certification of emissions control" means one of the following certifications, issued to the owner of a diesel vehicle which is subject to the diesel inspection program in order to indicate the status of inspecti…

The department shall have responsibility for administering the diesel inspection program in accordance with the authority exercised by the executive director under the provisions of this part 4. Source: L. 94: Entire title amended with relocations, p. 2316, § 1, effective January…

(1) The commission shall be responsible for the adoption of rules and regulations which are necessary to implement the diesel inspection program including: (a) Regulations governing procedures for: (I) Testing and licensing of diesel emissions inspectors; (II) Licensure of diesel…

(1) (a) The executive director of the department of public health and environment, referred to in this section as the "executive director", shall develop a program for the training, testing, and retesting of diesel emissions inspectors, which program may be funded by tuition char…

(1) The executive director is authorized to issue, deny, cancel, suspend, or revoke licensure for, and shall furnish instructions and all necessary forms to, diesel emissions inspection stations and inspectors. Fees for such licenses shall be established by regulations promulgate…

(1) (a) A diesel vehicle in the program area that is registered or required to be registered pursuant to article 3 of this title, routinely operates in the program area, or is principally operated from a terminal, maintenance facility, branch, or division located within the progr…

(1) Unless a diesel emissions inspector performs an inspection at a licensed diesel inspection station or self-certification fleet station, as described in section 42-4-414, a diesel emission-opacity inspection shall not be performed and a certification of diesel emissions contro…

(1) (a) A licensed diesel inspection station shall issue a certification of diesel emissions control to a diesel vehicle only upon forms issued by the executive director. (b) A certification of diesel emissions control shall be issued by a licensed diesel inspection station to a …

(1) The executive director shall have the authority to suspend or revoke the diesel inspection license and unused certification of diesel emissions control forms held by a licensed inspection station for the following reasons: (a) The station is not equipped as required; (b) The …

(1) (a) Any home rule city, town, or county shall be included in the diesel inspection program set forth in this part 4 upon request by the governing body of such local government to the department of revenue and the department of public health and environment. (b) When such a re…

Diesel-powered motor vehicles subject to the provisions of section 42-4-414 shall not be subject to the diesel emissions inspection program set forth in this part 4 unless the conditions set forth in section 42-4-414 (3)(c) have been met. Source: L. 94: Entire title amended with …

(1) (a) A person commits a class A traffic infraction if the person causes or permits the emission into the atmosphere from: (I) Any motor vehicle, including a motorcycle, powered by gasoline or any fuel except diesel of any visible air pollutant as defined in section 25-7-103 (1…

(1) (a) Effective January 1, 1987, no owner or operator of a diesel-powered vehicle shall cause or knowingly permit the emission from the vehicle of any visible air contaminants that exceed the emission level as described in section 42-4-412 (2)(a) within the program area. (b) As…

(1) The commission shall develop and implement, effective January 1, 1987, a fleet inspection and maintenance program for diesel-powered motor vehicles of more than fourteen thousand pounds gross vehicle weight rating. Regional transportation district buses, state, county, and mu…

Except as provided in section 42-4-509, it is a traffic infraction for any person to drive or move or for the owner to cause or knowingly permit to be driven or moved on any highway any vehicle or vehicles of a size or weight exceeding the limitations stated in sections 42-4-502 …

(1) The total outside width of any vehicle or the load thereon shall not exceed eight feet six inches, except as otherwise provided in this section. (2) (a) A load of loose hay, including loosely bound, round bales, whether horse drawn or by motor, shall not exceed twelve feet in…

Except with regard to the operation of a motorcycle, autocycle, bicycle, electrical assisted bicycle, or electric scooter, a person shall not operate a passenger-type vehicle on any highway with any load carried on the vehicle extending beyond the line of the fenders on the left …

(1) A driver shall not drive a vehicle either unladen or with load that exceeds a height of fourteen feet six inches. The department of transportation shall designate highways with overhead highway structures that have less than fourteen feet six inches of vertical clearance. A d…

(1) (a) Notwithstanding any other provision of this article to the contrary, the department of transportation, in the exercise of its discretion, may issue permits for the use of longer vehicle combinations. An annual permit for such use may be issued to each qualified carrier co…

(1) When one vehicle is towing another, the drawbar or other connection shall be of sufficient strength to pull all weight towed thereby, and said drawbar or other connection shall not exceed fifteen feet from one vehicle to the other, except the connection between any two vehicl…

(1) The gross weight upon any wheel of a vehicle shall not exceed the following: (a) When the wheel is equipped with a solid rubber or cushion tire, eight thousand pounds; (b) When the wheel is equipped with a pneumatic tire, nine thousand pounds. (2) The gross weight upon any si…

(1) (a) Except as provided in subsection (1.5) of this section, a person shall not move or operate a vehicle or combination of vehicles on any highway or bridge when the gross weight upon any one axle of a vehicle exceeds the limits prescribed in section 42-4-507. (b) Subject to …

(1) Any police or peace officer, as described in section 16-2.5-101, C.R.S., having reason to believe that the weight of a vehicle and load is unlawful is authorized to require the driver to stop and submit to a weighing of the same by means of either portable or stationary scale…

(1) (a) The department of transportation, the Colorado state patrol with respect to highways under its jurisdiction, or any local authority with respect to highways under its jurisdiction may, upon application in writing and good cause being shown therefor, issue a single trip, a…

(1) The transportation commission shall adopt such rules and regulations as are necessary for the proper administration and enforcement of section 42-4-510 with regard to state permits. (2) (a) Any permits which may be required by local authorities shall be issued in accordance w…

(1) Purpose. The purpose of this section is to authorize the negotiation and execution of agreements in cooperation with other states to: (a) Establish a regional permit system to allow nondivisible oversize or overweight vehicles to operate between and among two or more states u…

(1) No person shall drive, operate, or move upon or over any highway or highway structure any vehicle, object, or contrivance in such a manner so as to cause damage to said highway or highway structure. When the damage sustained to said highway or highway structure is the result …

(1) As used in this section, "emergency" means a temporary circumstance in which: (a) The public safety or health is threatened; (b) Critical infrastructure or homes are not able to maintain heat, power, or light; (c) People are unable to secure adequate food, water, or fuel; or …

(1) The department of transportation shall place and maintain such traffic control devices, conforming to its manual and specifications, upon state highways as it deems necessary to indicate and to carry out the provisions of this article or to regulate, warn, or guide traffic. (…

(1) No local authority shall erect or maintain any stop sign or traffic control signal at any location so as to require the traffic on any state highway to stop before entering or crossing any intersecting highway unless approval in writing has first been obtained from the depart…

(1) No driver of a vehicle shall disobey the instructions of any official traffic control device including any official hand signal device placed or displayed in accordance with the provisions of this article unless otherwise directed by a police officer subject to the exceptions…

(1) If traffic is controlled by traffic control signals exhibiting different colored lights, or colored lighted arrows, successively one at a time or in combination as declared in the traffic control manual adopted by the department of transportation, only the colors green, yello…

(1) Whenever an illuminated flashing red or yellow signal is used in conjunction with a traffic sign or a traffic signal or as a traffic beacon, it shall require obedience by vehicular traffic as follows: (a) When a red lens is illuminated with rapid intermittent flashes, drivers…

(1) No person shall place, maintain, or display upon or in view of any highway any unauthorized sign, signal, marking, or device which purports to be or is an imitation of or resembles an official traffic control device or railroad sign or signal, or which attempts to direct the …

(1) (a) No person shall, without lawful authority, attempt to or in fact alter, deface, injure, knock down, remove, or interfere with the effective operation of any official traffic control device or any railroad sign or signal or any inscription, shield, or insignia thereon or a…