The Highway Loss Data Institute conducted a combined analysis using neighboring states as additional controls to examine the collision claims experience of Colorado, Oregon and Washington before and after law changes.
"The study raises more questions than it provides answers and it's an area that would surely receive more study, and deservedly so", Tvert said. Overall, the study showed that the states with legalized marijuana had 3 percent higher rates of crashes than the other states.
"I see what is an increase in collision claims but it does not indicate that these claimers are using cannabis themselves or under the influence of Cannabis, or alcohol or other substances", KCNC quoted Jerri Shepherd of the National Organization for the Reform of Marijuana Laws (NORML) as saying.
While questions regarding marijuana use and auto collisions have emerged in states that have approved of cannabis for recreational use, they are hard to answer.
Police searches during traffic stops dropped dramatically in two states where marijuana was made legal.
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One of the big bullet points that anti-pot legislators consistently cite as a reason to keep marijuana illegal is the potential increase in the number of stoned drivers on our nation's roads. It's worth noting that Nevada, part of the control group, legalized recreational marijuana in November 2016. Further, measuring THC levels in the blood is not as easy a measure of impairment as blood-alcohol level is, since the psychoactive compound in marijuana is stored in the body's fat cells and can show up in the blood long after the effect has worn off.
While the study puts some of the blame on marijuana legalization for increased traffic accidents, even insurance companies admit there may be other factors at work.
MA is among 8 states and Washington DC that have legalized recreational marijuana, and drivers high on pot are a problem for police.
Stay on topic - This helps keep the thread focused on the discussion at hand.
The topic has dominated discussions in legislative committee rooms from California to MA and also on front porches across the country, as activists gathering petition signatures have gone door-to-door trying to sway potential voters in legalization efforts.
Be Civil - It's OK to have a difference in opinion but there's no need to be a jerk.
The use of marijuana can impair a person's ability to drive a auto - and to state otherwise is simply not accurate.