Is It Illegal to Vape or Smoke While Driving in Maine?

If you’re a driver in Maine who vapes or smokes, you’ve likely wondered about the specific rules of the road. Can you use your vape pen during your commute along the coast? Is it legal to light up a cigarette on the highway? The answer isn’t a simple yes or no; it’s a nuanced landscape shaped by state laws on distracted driving, child protection, and how Maine legally defines “smoking.” This guide provides a comprehensive breakdown of Maine’s laws on vaping and smoking behind the wheel, ensuring you know your rights and responsibilities in the Pine Tree State.

Vaping and Smoking with Minors in the Car is Illegal

The most important and explicit law regarding this issue is designed to protect children from secondhand smoke and aerosol exposure. Under Maine Revised Statutes Title 29-A, §2120, it is illegal to smoke in a motor vehicle when a minor is present. A violation of this law is a traffic infraction, punishable by a $50 fine.

In 2015, the state expanded its definition under Title 22, §1541 to include the use of “electronic smoking devices.” This means that for the purposes of this law and many others, vaping is legally considered smoking. The definition of an “electronic smoking device” is broad, covering any device used to deliver nicotine or other substances through the inhalation of vapor or aerosol, including e-cigarettes, vape pens, e-hookahs, and their components.

Therefore, the prohibition is clear and applies to both traditional and electronic products:

It is illegal to smoke a cigarette, cigar, or pipe in a vehicle with a minor present.
It is illegal to use a vape pen, e-cigarette, or any other vaping device in a vehicle with a minor present.

The law applies regardless of whether the vehicle’s windows are open or if the vehicle is moving or stationary. A “minor” in this context is defined as anyone under the age of 18.

How About Vaping or Smoking While Driving Alone?

For adults aged 21 and over who are driving alone or with other adults (no minors present), there is no specific Maine law that explicitly prohibits the act of vaping a nicotine product or smoking a traditional cigarette while driving. The state’s primary focus has been on protecting minors and regulating use in public spaces, not on banning the act for adults in their private vehicles.

However, this legality is conditional and does not provide a free pass to engage in these activities without consequence. The key legal frameworks that can still apply are Maine’s distracted driving laws.

When Vaping or Smoking Becomes Distracted Driving

While vaping itself isn’t explicitly named in Maine’s primary distracted driving statutes, the state’s general distracted driving law (29-A MRS §2118) can be applied if your vaping or smoking interferes with the safe operation of your vehicle. This law prohibits operating a motor vehicle while engaging in any activity that is not necessary to the vehicle’s operation and which impairs, or is reasonably expected to impair, your ability to drive safely.

A law enforcement officer has the discretion to cite you for distracted driving if they observe your vaping or smoking leading to unsafe behaviors, such as:

Taking your hands off the wheel to find, prepare, or use your vape device or light a cigarette.
Taking your eyes off the road for an extended period to adjust settings, refill a tank, or deal with hot ash.
Obscured vision from exhaling a large vapor cloud that temporarily blocks your view of the road, mirrors, or surrounding traffic.
Erratic driving, such as swerving, drifting from your lane, or failing to maintain a consistent speed because your attention is divided.

Potential Consequences of Distracted Driving

If your vaping or smoking leads to a distracted driving citation, the consequences can be serious. A first offense is a traffic infraction with fines. However, if the distraction causes an accident, the penalties can escalate significantly. A conviction for “driving to endanger” could result in:

Up to 6 months in jail.
A maximum fine of $1,000.
A license suspension ranging from 30 to 180 days.

If the accident results in a fatality, the driver could face possible vehicular homicide charges.

Absolute Prohibition: Vaping or Smoking Marijuana While Driving

In Maine, it is strictly illegal to consume marijuana in any form while in a vehicle on a public way. This includes smoking or vaping cannabis. Under 29-A MRS § 2112-B, possessing an open cannabis container in the passenger area of a vehicle is a traffic infraction. Furthermore, operating a vehicle while under the influence of any intoxicant, including marijuana, is a serious criminal offense (OUI – Operating Under the Influence) with severe penalties.

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Summary: Vaping and Smoking While Driving in Maine

Scenario	Is it Legal? (21+)	Governing Law / Considerations	Potential Penalties
Vaping/Smoking Tobacco (Alone or with Adults)	✅ Yes	No explicit ban, but subject to distracted driving laws (29-A MRS §2118).	None, unless it leads to a distracted driving citation (fines, potential for more serious charges if an accident occurs).
Vaping/Smoking Tobacco (with Minor <18 Present)	❌ No	Explicitly prohibited under 29-A MRS §2120.	$50 fine (traffic infraction).
Vaping/Smoking Cannabis (Driver or Passenger)	❌ No	Explicitly illegal under open container laws (29-A MRS § 2112-B) and OUI laws.	Traffic infraction for open container; serious criminal penalties for OUI.

Conclusion:

In conclusion, while Maine law does not explicitly prohibit an adult from vaping or smoking a nicotine product while driving alone, it is an activity fraught with potential legal and safety risks. The safest choice is always to keep your full attention on the road. By understanding Maine’s specific regulations and prioritizing safety, you can protect yourself, your passengers, and everyone else sharing the road.

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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.