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Biking Resource Center

Bicycling has become increasingly popular nationwide as more people ride bikes for fitness or as part of their daily commutes to and from work. Colorado is a state that offers a number of beautiful settings for people to ride bicycles in, but the activity is not without certain dangers.

It is important for bicyclists to remember that they are not afforded the same level of protection inherent to an automobile, and a person who sustains catastrophic injuries or whose loved one is killed because of a motorist’s negligence may be entitled to compensation.

Attorney for Biking Accidents in Denver, CO

Did you suffer serious injuries or was your loved one killed in a bicycle accident in Colorado? You should make sure that you contact Law Office of Jennifer L. Donaldson before speaking to an insurance company. 

Denver personal injury lawyer Jennifer Donaldson represents clients in Aurora, Westminster, Thornton, Longmont, Littleton, Lakewood, Centennial, Boulder, and many other surrounding areas. Call (303)-458-5000 today to have our attorney review your case and discuss all of your legal options during a free initial consultation.

Colorado Biking Accident Information Center

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Required Bicycle Equipment in Colorado

Colorado Revised Statute § 42-4-221 establishes that every bicycle, electrically assisted bicycle, or electric personal assistive mobility device (EPAMD)—scooter or other self-balancing vehicles, with an electric motor not exceeding 750 watts, designed to transport one person—needs to be equipped with the following: 

  • A lamp on the front emitting a white light visible from a distance of at least 500 feet to the front; 
  • A red reflector of a type approved by the department, visible for 600 feet to the rear when directly in front of lawful lower beams of headlamps on a motor vehicle; 
  • Reflective material of sufficient size and reflectivity to be visible from both sides for 600 feet when directly in front of lawful lower beams of headlamps on a motor vehicle or, in lieu of such reflective material, with a lighted lamp visible from both sides from a distance of at least 500 feet. 

State law also allows bicycles, electrical assisted bicycles, EPAMDs, or their riders to be equipped with lights or reflectors. Under Colorado Revised Statute § 42-4-221(7), every bicycle or electrical assisted bicycle also needs to be equipped with a brake or brakes that will enable its rider to stop the bicycle or electrically assisted bicycle within 25 feet from a speed of 10 miles per hour on dry, level, clean pavement. 

Colorado Revised Statute § 42-4-221(6) states that a bicycle or electrical assisted bicycle cannot be equipped with, nor should any person use upon a bicycle or electrical assisted bicycle, any siren or whistle.

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Bicycle Safety in Denver

For many years, bicycle safety logically focused on the primary users of bikes: children. It is indeed important for parents and other legal guardians to be particularly cognizant of the dangers that children face on bicycles, as children have a much narrower field of vision than adults and are generally inexperienced at dealing with traffic and motor vehicles. 

In general, here are some steps that bicyclists of all ages should take in order to better ensure they have safe rides: 

  • Wear a helmet — Bicyclists who are thrown from their bikes—even in minor collisions—can strike their heads, and helmets are immensely valuable in preventing traumatic brain injuries (TBIs) or other types of skull damage; 
  • Stay visible — It is important for bicyclists to be as noticeable as possible to motorists, so bright clothing often helps most people on bikes stand out to drivers; 
  • Check your bike — Before you take to the road, be sure to make sure all aspects of your bicycle—such as brakes or chains—are working properly and tires are properly inflated; 
  • Use hand signals — As the Bicycle Pedestrian Manual notes, bicyclists should use proper hand signals when slowing or stopping to avoid accidents. To signal a left turn, a bicyclist extends his or her left arm and points to his or her left; a right turn can involve a bicyclist extending his or her right arm and pointing to his or her right or extending the left arm and bending the arm 90 degrees to point up with the palm facing forward; and stopping or slowing is indicated by extending the left arm and bending it to point down so the palm is facing backwards; 
  • Avoid distractions — Bicyclists should avoid talking or texting on cell phones or any other activities while they are riding their bikes; 
  • Go with the flow — Bicycles should always move in the same direction as traffic, and bicyclists should especially avoid weaving in and out of lanes; and 
  • Watch for hazards — It is especially important for bicyclists to be on the lookout for certain dangerous situations, such as possible “dooring” incidents. A dooring accident involves the occupant of a motor vehicle swinging open the door of an automobile on a busy street without looking for oncoming bicyclists.

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Colorado Bicycle Accident Statistics

According to the Centers for Disease Control and Prevention (CDC), bicycles account for only 1 percent of all trips in the United States but more than 1,000 bicyclists were killed, and nearly 467,000 people were injured in 2015. A 2016 report from the Denver Regional Council of Governments (DRCOG)—a nonprofit membership organization of local governments in the Denver region—found that between 2011 and 2013, an average of 877 bicycle crashes occurred per year, resulting in 7 fatalities and 96 serious injuries per year. 

The ages of bicyclists involved in these crashes broke down as follows: 

Age Group

Bicyclists Involved in Crashes

Bicyclists Killed

Bicyclists Seriously Injured

































Total Reported




Age Unreported




Total Bicyclists




According to the report, 1,929 of 2,631 bicycle crashes (or 73.3 percent) occurred at intersections or were intersection-related. Driveway access was the location listed in 317 crashes (12 percent) while 331 crashes (12.6 percent) were at non-intersection locations.

Of those 2,631 crashes, 2,091 (79.5 percent) occurred during daylight hours. The DRCOG report also found in 2,646 crashes, 956 (36.1 percent) involved vehicles making right turns, 911 (34.4 percent) involved vehicles going straight, and 512 (19.3 percent) involved left turns.

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Find a Bike Accident Lawyer in Denver, CO

If you sustained catastrophic injuries or your loved one was killed in a bicycle crash in Colorado, it is in your best interest to immediately retain legal counsel. Law Office of Jennifer L. Donaldson helps individuals in communities all over Denver County, Jefferson County, Boulder County, Arapahoe County, and Adams County.

Jennifer Donaldson is an experienced personal injury attorney in Denver who is a recipient of the prestigious AV® Preeminent™ Peer Review Rating from Martindale-Hubbell.

You can have our lawyer provide an honest and thorough evaluation of your case as soon as you call (303)-458-5000 or complete an online contact form to schedule a free, confidential obligation consultation.

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