High Stakes on the Road: What New Research Reveals About Cannabis Users and Driving

May 21, 2025 | Article by Chain | Cohn | Clark staff

High Stakes on the Road: What New Research Reveals About Cannabis Users and Driving

With cannabis consumption rising nationwide, new research reveals why so many users still drive high, and what messages might finally make them think twice.

A new AAA Foundation for Traffic Safety study reveals troubling trends in how cannabis users perceive and approach driving after consumption. The research, drawing on surveys of thousands of cannabis users across a spectrum of legal and illegal states, found the following:

  • Daily and frequent use is common. About 44% of surveyed cannabis users reported consuming cannabis multiple times per day.
  • Driving after use is the norm. About 85% said they drive the same day they consume cannabis, and more than half (53%) reported driving within an hour of use, placing them in the “ultra-high-risk” category for impaired driving.
  • Perceptions of impairment vary. Only 19% believed their driving was worse after cannabis use, while nearly half (47%) felt their driving was unchanged, and over a third (34%) believed they drove better.
  • Skepticism about enforcement. Less than a third (29%) believed police could reliably detect cannabis impairment, with many unsure or doubtful about law enforcement’s ability to identify impaired drivers.

the effects of cannabis on driving

AAA’s studies also explored how to deter cannabis-impaired driving through public health messaging. With cannabis now the third most commonly used substance in the country and 39 states permitting some form of legal use, understanding these attitudes is critical for public safety and effective messaging, authors stated. Researchers tested dozens of message styles and found the following:

  • Messages emphasizing the selfishness and recklessness of driving high (“Driving high isn’t just reckless; it’s selfish. Think twice before getting behind the wheel after using marijuana.”) were the most effective at reducing willingness to drive after use-even among high-risk and habitual users.
  • Messages focused on personal and public safety concerns performed better than those highlighting legal or financial consequences.
  • Cannabis users responded best to messages that were realistic, positive, and avoided stereotypes or scare tactics. Diversity and relatability in messaging also increased engagement.
  • For high-risk users, the cannabis industry itself (brands and companies) was seen as a more credible source of information than traditional public health or law enforcement groups.
Posted on Google Google
Alona Acevedo
Google star 1Google star 2Google star 3Google star 4Google star 5
Very helpful and easy to work with at our time of need
Posted on Google Google
Jim Braudrick
Google star 1Google star 2Google star 3Google star 4Google star 5
Best lawyers in town they made each step easy and helpful. If you need a team that's going to support you 100% of the way this is the place to come. Highly recommend Chain Cohn Clark.
Posted on Google Google
Brian
Google star 1Google star 2Google star 3Google star 4Google star 5
There the best and I'd never go anywhere else ....Thank You
Posted on Google Google
Maria Rodriguez
Google star 1Google star 2Google star 3Google star 4Google star 5
Great service and wonderful experience 👏 🙌 👌.
Posted on Google Google
Mlp sweet cupcakes Kim
Google star 1Google star 2Google star 3Google star 4Google star 5
Nunca va aver ningún otra firma como la de mis abogados desde principio a fin estuvieron guiándome ahora gracias a ellos my familia y yo nunca vamos a volver a sufrir económicamente gracias Matt, Chris y Beatriz simply the best!!! There’s no words that can describe how grateful I am with them. they are the best here in Kern county !!if you need someone that you can trust and fight for you fiercely is Chain Cohn Clark !! Gracias!!! Siempre estaré agradecido con ustedes.
Posted on Google Google
sabrina collins
Google star 1Google star 2Google star 3Google star 4Google star 5
I have never worked with lawyers before but experience was amazing, everyone was kind and patient
AAA’s research also identified several persistent misconceptions among cannabis users, such as:

  • “Cannabis is less risky than alcohol.” Many believe driving after cannabis use is safer than driving after drinking.
  • “Cannabis is legal, so it’s lawful to drive after use.” Legality of use does not mean legality of impaired driving.
  • “Police can’t detect cannabis impairment.” While it’s more complex than alcohol, law enforcement can and does identify cannabis-impaired drivers.

AAA’s findings underscore the need for multifaceted strategies to reduce cannabis-impaired driving including collaborating with the cannabis industry and leveraging trusted voices within the industry for public health campaigns; avoiding one-size-fits-all approaches and instead using targeted, respectful, and relatable messaging; public education clarifying that cannabis impairs driving ability, even if users feel “fine” or “better”; and focusing on how cannabis impairs reaction time, perception, and coordination, increasing crash risk.

“As injury attorneys, we see firsthand the devastating results of impaired driving, regardless of the substance involved,” said Chris Hagan, partner and attorney at the Law Office of Chain | Cohn | Clark. “Effective education and accountability are essential to keep our roads safe.”

Added Matt Clark, managing partner and attorney at Chain | Cohn | Clark: “As cannabis use becomes more mainstream, the risks of impaired driving grow. By working together — public health, policymakers, law enforcement, and the cannabis industry — we can help prevent tragedies and make our roads safer for all.”

———

If you or someone you know is injured in an accident at the fault of someone else, or injured on the job no matter whose fault it is, contact the attorneys at Chain | Cohn | Clark by calling (661) 323-4000, or fill out a free consultation form, text, or chat with us at chainlaw.com.