Determining Liability After a Bicycle Accident in Colorado

 Posted on October 10, 2026 in Car Accident

Riding a bicycle on a busy road leaves cyclists exposed to large vehicles and drivers who are not always attentive. After a crash, the driver and cyclist might disagree about who had the right of way or what caused the collision.

Responsibility rests with the person or party whose negligence caused your injuries. If you were injured in a bicycle accident in 2026, a Fort Collins, CO personal injury attorney can investigate the crash and help you pursue compensation.

When Is a Driver Responsible for a Bicycle Accident in Colorado?

A driver is responsible for an accident when negligent driving causes a cyclist’s injuries. All drivers owe a duty of care to others using the road, including bicyclists.

Negligence takes several forms. A driver might drift into a bike lane or turn across a cyclist’s path without yielding. Speeding and distracted driving also support a claim when they contribute to the collision.

Colorado requires drivers to leave at least three feet of space when passing a bicyclist. That distance includes mirrors and other parts extending from the vehicle. Passing too closely could cause a crash even without direct contact, such as when a cyclist swerves to avoid being struck.

Can a Bicyclist Share Fault for a Colorado Accident?

A bicyclist shares fault when their unsafe riding contributes to the collision. For example, a cyclist who suddenly turns into traffic without checking for approaching vehicles could bear some responsibility. However, the driver could also be at fault if they were speeding and had less time to react.

The review should address each person’s actions before the crash. Where the cyclist was riding and whether either person failed to yield help determine how responsibility is divided. A cyclist’s mistake does not excuse a driver’s careless conduct.

Under C.R.S. § 13-21-111, an injured person’s damages are reduced by their share of fault. A person who is equally or more responsible cannot recover damages.

Does Riding Through a Stop Sign Make a Colorado Cyclist at Fault?

Riding through a stop sign without fully stopping does not automatically make a cyclist at fault. Colorado’s Safety Stop law allows eligible riders to treat stop signs as yield signs when they follow the law’s requirements.

Riders must slow down to 10 mph or less, unless a higher local limit is posted, yield to anyone with the right of way, and stop when necessary for safety. The rule applies to riders aged 15 and older. Younger children must be accompanied by an adult.

Red lights require a full stop before proceeding under the applicable rules. A cyclist who enters an intersection without yielding could still share responsibility.

Who Is Responsible When a Dangerous Road Causes a Colorado Bicycle Accident?

A party responsible for creating or maintaining a dangerous road condition could face a claim when that condition causes a cyclist’s injuries. The investigation should identify who controlled the area and what they knew about the hazard.

For example, a contractor who leaves debris in a travel lane could bear responsibility for a resulting fall. Photos of the condition and records identifying the construction company help establish the basis for that claim.

Claims against a city or other public entity have additional limits. Governmental immunity protects public entities from many lawsuits, and a claim must fit a legal exception.

How Do You Establish Who Caused a Colorado Bicycle Accident?

Establishing fault requires information showing how the crash happened and how the responsible party’s actions caused your injuries. When the accounts conflict, records from the scene help test each version.

Useful information includes:

• Video showing the vehicles’ movements before the collision
• Witness statements about turns or passing distance
• Photos of road hazards and damage to the bicycle
• The police report and any recorded driver statements

Medical records also connect the crash to your injuries. Save the damaged bicycle and riding equipment until they have been reviewed, since repairs or disposal could remove information about the impact.

How Long Do You Have to Sue After a Bicycle Accident in Colorado?

When a bicycle injury arises from the use or operation of a motor vehicle, C.R.S. § 13-80-101 provides a three-year lawsuit deadline. In a typical collision with a car, that period runs from the accident, although exceptions apply.

A claim against a city or another public entity also requires an earlier step. Under C.R.S. § 24-10-109, when notice is required, you must submit a written notice of claim within 182 days after discovering the injury. The notice describes what happened, the injuries suffered, and the compensation requested. An attorney can help you navigate which deadlines apply to your situation.

Contact a Larimer County, CO Bicycle Accident Attorney

Bicycle accidents can cause serious injuries and disputes over who was responsible. The lawyers at Hoggatt Law Office, P.C. can investigate the collision and help you pursue compensation for your losses.

Contact a Fort Collins, CO personal injury lawyer for a free consultation, or call 970-225-2190.

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