Colorado § 25-12-107 - Powers of local authorities.
Full text of Colorado Colorado Revised Statutes § 25-12-107 — Powers of local authorities., with citation guidance and answers to common questions.
§ 25-12-107. Powers of local authorities.
(1) Counties or municipalities may adopt resolutions or ordinances prohibiting the operation of motor vehicles within their respective jurisdictions that produce noise in excess of the sound levels in decibels, measured on the "A" scale on a standard sound level meter having characteristics established by the American national standards institute, publication S1.4 - 1971, and measured at a distance of fifty feet from the center of the lane of travel and within the speed limits specified in this section:
Speed limit of
35 mph or less
Speed limit of more
than 35 mph but
less than 55 mph
(a) Any motor vehicle with a
manufacturer's gross vehicle
weight rating of six
thousand pounds or more,
any combination of vehicles
towed by such motor
vehicle, and any motorcycle
other than a low-power
scooter:
(I) Before January 1, 1973
88 db(A)
90 db(A)
(II) On and after
January 1, 1973
86 db(A)
90 db(A)
(b) (Deleted by amendment, L. 2008, p. 2102, § 3, effective July 1, 2010.)
(2) The governing board shall adopt resolutions establishing any test procedures deemed necessary.
(3) This section applies to the total noise from a vehicle or combination of vehicles.
(4) For the purpose of this section, a truck, truck tractor, or bus that is not equipped with an identification plate or marking bearing the manufacturer's name and manufacturer's gross vehicle weight rating shall be considered as having a manufacturer's gross vehicle weight rating of six thousand pounds or more if the unladen weight is more than five thousand pounds.
Source: L. 71: p. 651, § 1. C.R.S. 1963: § 66-35-7. L. 73: p. 1406, § 48. L. 2008: IP(1) and (1)(b) amended, p. 2102, § 3, effective July 1, 2010. L. 2009: IP(1)(a) amended, (HB 09-1026), ch. 281, p. 1259, § 21, effective October 1.
Source: official Colorado text · Last verified 2026-08-27
Frequently Asked Questions About Colorado § 25-12-107
What does Colorado Revised Statutes § 25-12-107 cover?
Section 25-12-107 ("Powers of local authorities.") is part of the Colorado Revised Statutes, the codified statutory law of Colorado. It sets out the legal rule or procedure described in the text above. Statutes are amended regularly, so always verify against the official source.
How do I cite Colorado § 25-12-107?
A common citation format is "Colorado Revised Statutes § 25-12-107" (Colorado). Legal writing may require the code abbreviation, section number, and year or edition. Match the style required by your court, professor, or publisher.
Is this the official text of Colorado law?
No. This page is for research and education and may not include the most recent amendments. For official current law, check the Colorado official source linked on this page or consult a licensed Colorado attorney.
How does Colorado § 25-12-107 apply to my situation?
Statutes are interpreted in context, and application depends on your specific facts. Only a licensed attorney in Colorado can advise on how this section applies to you. Contact your state or local bar association for a referral.
Sources & Verification
Not legal advice. Verify against the official source and consult a licensed attorney in Colorado.