Is It Illegal to Vape/Smoke and Drive in Colorado?

From the bustling streets of Denver to the scenic mountain passes of the Rockies, drivers in Colorado often have questions about what is and isn’t permissible behind the wheel. With the rise of vaping, a common query is: “Is it illegal to vape and drive in Colorado?” This guide provides an in-depth look at Colorado’s laws regarding vaping and driving, unpacking the statutes, enforcement realities, and crucial exceptions you need to know to stay safe and compliant on the road.

Is Vaping or Smoking While Driving Legal in Colorado?

For adults driving alone or with other adults, there is no specific state law in Colorado that explicitly prohibits the act of smoking a traditional cigarette or vaping a nicotine product while operating a private vehicle. The state’s comprehensive Clean Indoor Air Act, which bans smoking and vaping in most public indoor spaces, specifically exempts private automobiles that are not being used for child care or public transportation. However, this general legality is not a free pass; it is subject to significant restrictions related to distracted driving, the substance being consumed, and the presence of minors.

Distracted Driving and Specific Prohibitions

While the act of smoking or vaping itself isn’t banned in a personal car, the consequences of that act can lead to legal trouble. Law enforcement in Colorado focuses on observable safety violations and specific situational prohibitions rather than the behavior itself.

Colorado’s distracted driving laws are the primary mechanism through which smoking or vaping can lead to a citation. While the state’s new “hands-free” law, effective January 1, 2025, primarily targets the use of handheld electronic devices like cell phones, the broader principle of avoiding distraction applies to any activity that compromises safety. Under Colorado Revised Statute 42-4-239, drivers can be cited for careless driving if their actions demonstrate a lack of due regard for the safety of persons or property.

A police officer has the discretion to issue a citation if they determine that your vaping or smoking behavior contributed to unsafe driving. Examples of distraction could include:

• Taking your hands off the wheel for an extended period to light a cigarette or handle a vape device.
• Looking away from the road to find, refill, or adjust your device.
• Exhaling a large vapor or smoke cloud that temporarily obstructs your vision.
• Reacting to dropped hot ash or a spilled e-liquid container, causing you to swerve or drive erratically.

A careless driving citation can result in fines ranging from $85 to $300, plus court costs and potential demerit points on your driving record.

A critical restriction applies when children are present in the vehicle. While the provided sources show some ambiguity on whether a specific statute like California’s exists for all private vehicles, the interpretation of Colorado’s Clean Indoor Air Act and related regulations strongly suggests that vaping or smoking in a vehicle with a minor (under 18) present is not permitted. The Clean Indoor Air Act’s protections are often extended to confined spaces where children are present, and this is a key area of public health focus. This aligns with the broader legal trend of protecting children from secondhand smoke and aerosol exposure in enclosed environments.

While recreational marijuana is legal for adults 21 and over in Colorado, its consumption in vehicles is strictly prohibited.

• Consumption Ban: Under CRS 42-4-1305 and 42-4-1305.5, it is a class A traffic infraction to consume or possess an open container of marijuana in the passenger area of a vehicle on public roads. This applies to both drivers and passengers. An “open container” includes any package with a broken seal or evidence of consumption.
• Driving Under the Influence (DUI): Driving “while under the influence of any drug,” including marijuana, is a DUI under CRS 42-4-1301 et seq.. Colorado has a “per se” limit of 5 nanograms per milliliter (ng/mL) of active delta-9 THC in a driver’s blood, which creates a permissible inference of impairment. However, officers can charge a driver with DUI or Driving While Ability Impaired (DWAI) based on observed driving behavior, even if their blood-THC level is below this limit.

The message from Colorado law is unequivocal: it is illegal to consume cannabis in any form (smoking, vaping, edibles) while in a vehicle, and it is illegal to drive while impaired by cannabis.

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Summary of Colorado’s Vaping and Driving Laws

To provide a clear overview, the legality of vaping and smoking while driving in Colorado can be summarized as follows:

Conclusion:

In summary, while Colorado state law does not explicitly prohibit adults from vaping or smoking nicotine products while driving alone or with other adults, these activities exist in a legal gray area governed by broader traffic safety statutes.

The safest and most responsible approach for all Colorado motorists is to avoid smoking or vaping while driving altogether. This not only eliminates any potential legal risks under distracted driving statutes but also helps ensure the safety of yourself, your passengers, and other road users. Given the ongoing evolution of public health perspectives and traffic laws, it is always wise to prioritize focus and safety behind the wheel.

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Matthew Ma

Marketing at Ecigator

With over a decade of experience in the e-cigarette industry, Matthew Ma is a seasoned expert in both the manufacturing and usage aspects of vaping products. His extensive background has provided him with a deep understanding of the intricacies and evolving dynamics of e-cigarettes.

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