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Colorado Motorcycle Law

If you are a rider who enjoys the scene beauty of our state, it’s important to understand the basics of Colorado motorcycle law, so that you understand your rights and how they’re protected. Here’s what you need to know.

Colorado is a popular motorcycle destination and is known for its hospitality.

Motorcyclists are rewarded with a boundless offering of roadside amenities.

Yet, whether you are a resident of Colorado or just passing through, it is important to abide by all of Colorado laws.

The motorcycle laws in Colorado are designed to protect riders as they travel through the state, and all motorcyclists must adhere to the same laws as other motor vehicles on the roadways.

Click here for frequently asked questions regarding motorcycle accidents.

Below you will find a comprehensive list of the riding laws and equipment regulations as they apply to Colorado.

This information will help you safely and responsibly enjoy all the Centennial State has to offer- from twisting mountain passes to flower-filled meadows and everything in between.

Rider Safety Equipment

  • Riders in Colorado age 18 and over are not required to wear helmets
  • Operators and passengers under age 18 must wear DOT-approved helmets
  • Eye protection in the form of glasses or goggles is required by law- windshields do not qualify as adequate protection
  • There are no restrictions on the use of helmet speakers
  • Rider education certificates are not required

Bike Specifications

  • Daytime use of modulating headlamps is permitted
  • A minimum of one side mirror is required
  • Turn signals are not required
  • All bikes must operate at a noise level of 90dba at 35 to 55mph
  • Mufflers are required by law
  • All bikes are subject to random safety inspections

Operators and Passengers

  • Operators must ride on the permanent and regular seat at all times while facing forward with one leg astride either side of the motorcycle
  • Passengers must have their own seat, either behind the operator or in a side car
  • Motorcycles must be equipped with footrests for passengers, which passengers are required to use

Traffic Laws

  • All motorcycles are entitled to full use of a lane of traffic, and it is illegal for any motor vehicle to be driven in such a manner that causes a motorcycle to be deprived of full use of that lane
  • Motorcyclists are permitted to ride, no more than, two abreast in the same lane
  • Lane sharing and splitting with an automobile is against the law
  • It is prohibited to attach your bike to another vehicle while in motion
  • There are no restrictions on radar detection

Off-Road Riding

  • No helmet or eye protection is required for off-road riding
  • Headlights and taillights are required only after sunset
  • Mufflers are required and maximum sound level is set at 84 decibels 50 feet from the bike
  • No vehicle title is required for off-road motorcycles