Halting High Times on the Highway.
Position | TRENDS - Brief article |
Canada just hogged the pot-light. Passage of the Cannabis Act in October made our friendly neighbor to the north the world's second country, after Uruguay in 2013, to allow a nationwide marijuana market.
The Canadians' move comes as U.S. state lawmakers continue to wrestle with the pros and cons of legalization. One of their challenges is to develop and refine legislation that addresses driving under the influence of marijuana.
Detection of marijuana in drivers involved in traffic crashes has become increasingly common. According to the National Highway Traffic Safety Administration, 12.6 percent of weekend nighttime drivers tested positive for THC in 2013-14, compared with 8.6 percent in 2007.
Currently, marijuana is most commonly detected by testing blood, urine or saliva. But testing for impairment is problematic due to the limitations of drug-detecting technology and the lack of an agreed-upon impairment limit. The mere presence of THC does not indicate impairment...
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