An official website of the United States Government.

Tag: DUI

Cannabis & Driving: You Feel Different – You Drive Different

Results of a recent highway safety study involving cannabis revealed that the majority of those who use cannabis elect to drive that same day, even when use was as recent as 60 minutes (or less) prior to the act of driving. Cannabis use in America has outpaced alcohol consumption in recent years, it impacts to […]

Cannabis & Driving: Impairment in Older, THC Experienced, Adults

Even after years of prior cannabis use, product use prior to driving can still cause impairment in older / substance experienced drivers, ages 65 – 79 years. These were among the findings of authors (DiCiano, P. et.al.) recently released in JAMA (January 2024) evaluating cannabis and its influence upon impaired driving among older adults. Researchers […]

Driving After Marijuana Use? – Impairment Can Last For Hours

“I’m okay to drive.” But, in reality are you and how do you know for sure? A new report in JAMA Psychiatry (January 26, 2022) examines a person self-perception of feeling high after using marijuana.  Authors Marcotte (et.al.) point out that the impairment felt after using marijuana can last for hours, even well after when a […]

Drug-Impaired Driving: A National Threat

The Heritage Foundation, a Washington D.C. based “think tank”, recently hosted an educational seminar focused on sharing research findings associated to the issue of drug-impaired driving. A summary of the information cited in the presentation is provided here as a reference guide to impaired driving and poly-drug usage. The summary also provides keen insights into […]

Impaired Driving in Colorado: 2016 – 2018 (Nov 2020)

In 2017, Colorado passed House Bill 17-1315 which requires the Colorado Department of Public Safety to annually produce a report regarding data associated with impaired driving in the state. One of the requirements was to include data not only for alcohol, but on other drugs to include marijuana. As with all longitudinal data, the more […]

THC and Its Effect on Driving

Date: January 22, 2021 The December 1st, 2020 edition of JAMA (Vol. 324, No. 21) released the results of a study into impaired driving from the Netherlands titled, “Effect of Cannabidiol and Δ9-Tetrahydrocannabinol on Driving Performance” by T. Arkell (et.al.). The near year-long study examined the effects of vaporized cannabis products on safe driving performance. […]