Many cyclists assume alcohol and a bicycle add up to a minor inconvenience at worst. The reality surprises most people. Can you get a DUI on a bike? In Colorado and many other states, the answer is yes. Riders who operate a bicycle while impaired by alcohol or drugs may face a DUI or a comparable “cycling under the influence” (CUI) charge.
Bicycles often qualify as vehicles under traffic law, so the same impairment standards apply. Consequences can include fines, jail time, and a criminal record for endangering yourself and others on the road. At McAdams Law Office, we help people in Greeley and across Weld County understand their rights and navigate these charges.
Can you get a DUI on a bike? Penalties for intoxicated cycling vary widely by state, depending on the definition of “vehicle” in traffic codes. Some states apply full DUI laws, others treat it as a lesser infraction or public intoxication, and a few have no specific penalty.
In Colorado, C.R.S. § 42-1-102 classifies a bicycle as a vehicle under state law. Colorado’s DUI law then applies to anyone operating a vehicle on a public road, which puts cyclists in the same legal category as drivers. Riding a bicycle while impaired by alcohol or drugs can result in criminal charges, fines, jail time, and a lasting record.
Some states extend their DUI laws to cover non-motorized vehicles like bicycles. In these states, law enforcement can stop a rider, conduct sobriety testing, and pursue criminal charges. Colorado falls firmly in this category.
In Colorado, a bicycle DUI can carry serious consequences. A conviction may result in fines, jail time, and a criminal record that follows you long after the incident. That record can affect job opportunities, housing applications, and professional licenses. The legal and personal consequences of a DUI charge extend well beyond the day of the arrest, which makes understanding your rights and acting quickly so important.
Not every state treats drunk biking as a DUI offense. Some states write their DUI laws to cover only motor vehicles, meaning a traditional bicycle falls outside the definition. In those states, a cyclist stopped while drunk may avoid a DUI charge but can still face other consequences, such as public intoxication or reckless endangerment charges. The key distinction almost always comes down to how a state defines the word “vehicle” in its traffic laws.
Colorado takes a broader approach. Because state law classifies a bicycle as a vehicle, riding while impaired on a public road carries the same legal exposure as operating a car under the influence.
¨We’re not just a business in Weld County; we’re a part of the community. Living and working here, we’re dedicated to supporting the people of Greeley. Our office is right by the courthouse, deep in the heart of the local legal scene. With over 140 jury trials in 20 years, our experienced attorneys understand that everyone deserves respect and a strong defense, no matter the situation¨
Beyond the legal risk, impaired cycling creates serious physical danger. According to the CDC, more than one-third of crashes resulting in a bicyclist’s death involve alcohol from the driver, the cyclist, or both. Alcohol slows reaction times, reduces balance, and clouds judgment, all critical functions for anyone navigating traffic. Greeley streets, like any urban road, include intersections, vehicles, pedestrians, and cyclists sharing limited space. An impaired rider threatens not only their own safety but everyone around them.
Colorado law reflects this reality. Whether you ride on a busy Greeley thoroughfare or a quiet neighborhood street connected to a public roadway, impairment raises both your personal risk and your legal exposure significantly.
A bicycle DUI charge in Greeley or anywhere in Weld County deserves serious legal attention. At McAdams Law Office, we bring more than 16 years of criminal defense experience and have helped hundreds of people in the Greeley area navigate DUI charges and find the best possible outcome. Call us today at (970) 353-0000 for a consultation.
| DUI/DWAI Victories | Criminal Defense Wins |
|---|---|
People v. S.M.Two DUIs downgraded to DWAI, |
People v. M.J.Assault and child abuse charges |
People v. S.D.DUI dismissed, pled to |
People v. S.C.Theft charge dropped, |
People v. B.S.Breath test challenged, |
People v. A.E.Drug charges dismissed, |
People v. E.B.No jail, favorable plea despite |
People v. J.K.Burglary plea reduced, |
People v. R.G.One DWAI dismissed, another reduced with minimal work release. |
People v. C.R.Traffic offense reduced, |
William T. McAdams, known as Bill, is a highly experienced criminal defense attorney and former prosecutor. Since establishing McAdams Law Office in 2006, he has represented clients in cases including DUI, domestic violence, and theft, handling over 100 jury trials. Bill serves clients predominantly in Weld and Larimer counties, including Greeley, Evans, Windsor, Loveland, and Fort Collins. An active community volunteer and member of multiple legal associations, he is dedicated to protecting his clients’ rights.
This page has been written, edited, and reviewed by a team of legal writers following our comprehensive editorial guidelines. This page was approved by Founding Partiner, William McAdams who has more than 25 years of legal experience as a personal injury attorney.