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

If you’re a driver in Maryland who vapes or smokes, you’ve likely wondered about the specific rules of the road. Can you use your vape pen during your commute on the Baltimore Beltway? Is it legal to light up a cigarette while crossing the Bay Bridge? The answer is a nuanced one, shaped by a combination of state laws on distracted driving, child protection, and substance use. This guide provides a comprehensive breakdown of Maryland’s laws on vaping and smoking behind the wheel.

No Explicit Ban on Tobacco/Nicotine Vaping, But…

Let’s start with the most common question: is it illegal for an adult to vape a nicotine product or smoke a traditional cigarette while driving in Maryland? As of 2025, there is no state statute that specifically makes this activity a traffic violation by itself when you are driving alone or with other adults in a privately owned vehicle. Maryland’s laws governing smoking and the use of electronic smoking devices (ESDs) primarily focus on indoor public places, workplaces, and sales to minors. Private motor vehicles are generally not included in these statewide public use bans, unless used for public transport or as a workplace vehicle.

However, this is where the nuance begins. The absence of a specific prohibition does not grant a driver immunity from legal consequences if their smoking or vaping leads to unsafe driving behaviors. The key legal frameworks that can come into play are distracted driving laws and, in more serious cases, reckless driving statutes.

When Smoking or Vaping Can Lead to Legal Trouble

Maryland takes distracted driving very seriously. While the state’s most well-known distracted driving laws, such as Maryland Transportation Code § 21-1124.2, primarily target the use of hand-held mobile electronic devices, the state’s broader definition of distracted driving can encompass any activity that diverts a driver’s attention from the primary task of operating a vehicle. Legal experts and safety advocates explicitly list smoking and vaping as potential distractions that can lead to citations under general distracted or careless driving statutes if they impair a driver’s ability to operate their vehicle safely.

Smoking or vaping can easily fall into the main categories of distraction:

• Manual Distraction: Taking one or both hands off the wheel to find a vape device, search for a lighter, light a cigarette, handle an ashtray, or adjust device settings.
• Visual Distraction: Taking your eyes off the road to perform any of the above actions, or if your vision is temporarily obscured by a thick cloud of vapor or smoke.
• Cognitive Distraction: Your mental focus is on the act of smoking or vaping rather than on the road and surrounding traffic.

If a law enforcement officer observes you driving erratically (e.g., swerving, failing to maintain a consistent speed) and determines that your smoking or vaping is the cause, you could be cited for distracted driving or a related moving violation. Maryland is a primary enforcement state for many distracted driving behaviors, meaning officers can pull you over for the distraction itself. Penalties can be significant, and under “Jake’s Law,” they are intensified if distracted driving results in serious injury or death.

If your distraction from smoking or vaping leads to more dangerous driving behavior or causes an accident, you could face more severe charges. Maryland law prohibits both reckless driving (Transportation Code § 21-901.1) and negligent driving. If it can be proven that you were involved in a crash because you were distracted by lighting a cigarette, dealing with hot ash, or being enveloped in a vapor cloud, prosecutors could pursue these more serious charges, which carry stiffer penalties, including potential jail time and license suspension.

Vaping or Smoking with Minors in the Car

While some states have enacted laws specifically banning smoking or vaping in vehicles with children present, as of mid-2025, Maryland does not have a specific statewide law that makes it illegal to vape or smoke tobacco in a car when children are present. A bill (HB 1392) was proposed in the 2025 legislative session to ban smoking, vaping, or consuming cannabis in any motor vehicle with a minor occupant, but this bill was withdrawn and did not become law. Therefore, while it is strongly discouraged for health reasons, it is not currently a specific traffic violation under state law.

However, it’s important to note that this does not preclude other potential legal issues. In extreme cases of endangerment, other child protection statutes could potentially be applied, though this would be highly situational.

Vaping or Smoking Cannabis While Driving

The legal landscape is starkly different when the substance being vaped or smoked is cannabis. Under Maryland Criminal Law § 10-125(b)(3), it is explicitly illegal for any occupant (driver or passenger) to smoke cannabis in a motor vehicle on a highway. Furthermore, under Transportation Code § 21-903(c), it is illegal for a driver to smoke or consume cannabis in the passenger area of a motor vehicle on a highway. This is treated as a civil offense or can be part of a more serious DUI charge.

It is crucial to understand that this is separate from and in addition to potential DUI (Driving Under the Influence) charges. Maryland has strict laws against driving while impaired by any substance, including cannabis. Any consumption of cannabis in a vehicle is a clear violation of the law and carries significant penalties.

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Summary: Vaping and Smoking While Driving in Maryland

Conclusion:

In conclusion, while Maryland law does not explicitly ban the act of an adult vaping a nicotine product or smoking a cigarette while driving a private vehicle alone or with other adults, it is far from a risk-free activity. The most responsible and legally sound advice for all drivers in Maryland is to keep your full attention on the road. Prioritizing safety not only protects you and others on the road but also ensures you stay on the right side of the law in the Old Line State.

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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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