Colorado Motorcycle Laws - View All States Motorcycle Laws
We have put together a simple list of the primary Colorado state motorcycle laws to help you when traveling through Colorado on a motorcycle. These Colorado motorcycle laws where confirmed accurate as of the time of publishing and are provided to you as a reference only. For Colorado's complete motorcycle laws, please visit the Colorado state Motor Vehicle website.

Safety Helmet: Requires a person under 18 years of age who is an operator of a motorcycle or motorized bicycle or who is a passenger on such vehicles, to wear a protective helmet that is designed according to certain specifications; sets the penalty and surcharge for failing to wear the helmet; sets an additional surcharge for each violation to be deposited in the state Traumatic Brain Injury Trust Fund.
Eye Protection: Required by law
Passenger Age: No Restrictions
Helmet Speakers: No Restrictions
Mirrors: One required by law
Headlight: Modulating headlight permitted
Turn Signals: Not Required
Handlebars: No Restrictions
Muffler: Required.
Noise Restrictions: Maximum allowable A-weighted sound levels based on measurements taken at a distance of 50 ft from center lane of travel, local authorities may adopt following: 1)Manufactured before 1/1/73--88dba at 35mph or less; 90dba at 35 to 55mph; 2) Manufactured after 1/1/73--86dba at 35mph or less; 90dba at 35 to 55 mph (25-12-107. Powers of Local Authorities).
Riding Two Abreast in Lane: Operating motorcycles on roadways laned for traffic. All motorcycles are entitled to full use of a traffic lane, and no motor vehicle shall be driven in such a manner as to deprive any motorcycle of the full use of a traffic lane. This subsection (1) shall not apply to motorcycles operated two abreast in a single lane.
Lane Splitting: The operator of a motorcycle shall not overtake or pass in the same lane occupied by the vehicle being overtaken. (3) No person shall operate a motorcycle between lanes of traffic or between adjacent lines or rows of vehicles.
Insurance: Compulsory Liability (Minimum Limits)(25/50/15)

These state motorcycle laws very verified as current at the time they were published on this page. Some laws may have been changed or repealed and new laws may have be added. Check with state and/or local authorities for the most up to date laws and regulations.