Driving under the influence. The likelihood of traffic fatalities could increase by as much as 12% after 4 p.m. on April 20th due to drivers operating vehicles while under the influence of cannabis in recognition of National Weed Day, or '4/20′. (Photo: Shutterstock)

As the legalization of cannabis grows, the annual '4/20 stoner holiday' is celebrated with gusto by marijuana consumers nationwide.

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Patricia L. Harman

Patricia L. Harman is the editor-in-chief of Claims magazine, a contributing editor to PropertyCasualty360.com, and chairs the annual America's Claims Event (ACE), which focuses on providing claims professionals with cutting-edge education and networking opportunities. She covers auto, property & casualty, workers' compensation, fraud, risk and cybersecurity, and is a frequent speaker at insurance industry events. Contact her at [email protected]