National Transportation Safety Board calls for increased education about impairing effects of marijuana following deadly Oklahoma crash. The National Transportation Safety Board issued a Safety Alert July 18 urging parents nationwide to protect their teen drivers from marijuana-impaired driving. The alert is accompanied by the final report on the investigation of a deadly 2022 collision […]
Delaware Governor Carney Allows Recreational Marijuana Legislation to Become Law Without His Signature
Delaware Governor John Carney announced April 21 that he would allow two pieces of legislation governing marijuana legalization to become law. “In the coming days, I will allow House Bill 1 and House Bill 2 to be enacted into Delaware law without my signature. These two pieces of legislation remove all state-level civil and criminal […]
NTSB Report Finds Alcohol and Cannabis Are Primary Drugs Detected in Impaired Drivers
Actions from federal and state agencies are needed to address the continuing problem of impaired driving, including from alcohol, cannabis and multiple drug use the National Transportation Safety Board said in a new report. In the Board-approved safety research report, the agency examined the crash risk associated with different drugs — including alcohol, cannabis, prescription, […]
IIHS Research Shows People Who Combine Alcohol and Marijuana Often Drive Afterward
A third of drivers who drink alcohol and use marijuana at the same time report getting behind the wheel within two hours of consumption, a new study from the Insurance Institute for Highway Safety shows. That’s a concern because evidence suggests the combination of alcohol and marijuana worsens driving performance more than either substance by […]
IIHS Researchers Find Crash Rates Increased After Marijuana Legalization
Accidents that caused injuries and fatalities were up overall, though results varied widely by state as some saw decreases. New research shows that crash rates in states that legalized marijuana increased following legalization. The research paper Changes in Traffic Crash Rates After Legalization of Marijuana: Results by Crash Severity by Charles M. Farmer , Ph.D., […]
Crash Rates Up Following Marijuana Legalization
Studies by IIHS and HLDI show crash rates up in Western U.S. states that legalized recreational use and retail sales of marijuana. According to research from the Insurance Institute for Highway Safety (IIHS), and another by the affiliated Highway Loss Data Institute (HLDI), crash rates and collision claim frequencies spiked in most states following the […]
Insurance Association Calls for Expanded Marijuana Consumer Safety Research on National Weed Day
An American Property Casualty Insurance Association (APCIA) reaffirmed the need for expanded consumer safety, research, and standards related to marijuana impairment. In a statement released in conjunction with National Weed Day today, Jeff Brewer, vice president of public affairs, said, “National Weed Day should serve as a reminder about the dangers of driving under the […]
AAA Research Reports Risky Driving Behaviors of Drivers Who Use Alcohol and Marijuana
–People who use both alcohol and marijuana are some of the most dangerous drivers on the road – they are significantly more likely to speed, text, intentionally run red lights, and drive aggressively than those who don’t, according to data from the AAA Foundation for Traffic Safety. They also are far more likely to report […]
Study Shows Dramatic Increases in Vaping Marijuana
University of Michigan study illustrates increase in marijuana use among US college students and young adults. Vaping marijuana and vaping nicotine have increased dramatically among 19-to-22-year-olds, with both more than doubling between 2017 and 2019, according to the University of Michigan’s annual U.S. national Monitoring the Future Panel Study. Use of marijuana in any form […]
Survey Illustrates Misconceptions about Marijuana Use and Driving
Mothers Against Drunk Driving survey finds one in eight U.S. adults admit driving under influence of marijuana. Mothers Against Drunk Driving (MADD), celebrating its 40th Anniversary of its founding in September, has released a new survey that measures the American public’s attitudes and knowledge about the impact of marijuana on traffic safety. According to the […]