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Cannabis-impaired driving in B.C. has more than doubled since the drug was recreationally legalized in 2018, a study of injured motorists suggests.
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And researchers say there’s no reason to believe Alberta isn’t experiencing a similar trend.
Between 2013 and 2020, University of British Columbia researchers tracked blood sample data from four of the province’s trauma centres — two in the Lower Mainland, one in Kelowna and another in Victoria — where they found 3.8 per cent of moderately injured drivers had more than the legal limit of 2 nanograms per ml of THC in their blood prior to legalization.
That percentage climbed to 8.6 per cent of motorists after cannabis prohibition was lifted while those above 5 nanograms per ml rose from 1.1 per cent to 3.5 per cent, according to the study, which analyzed blood samples from 4,339 drivers.
“I was a little surprised it went up that much,” said the study’s principal investigator, Dr. Jeffrey Brubacher, an associate professor in UBC department of emergency…
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Article content
Cannabis-impaired driving in B.C. has more than doubled since the drug was recreationally legalized in 2018, a study of injured motorists suggests.
Advertisement
This advertisement has not loaded yet, but your article continues below.
Article content
And researchers say there’s no reason to believe Alberta isn’t experiencing a similar trend.
Between 2013 and 2020, University of British Columbia researchers tracked blood sample data from four of the province’s trauma centres — two in the Lower Mainland, one in Kelowna and another in Victoria — where they found 3.8 per cent of moderately injured drivers had more than the legal limit of 2 nanograms per ml of THC in their blood prior to legalization.
That percentage climbed to 8.6 per cent of motorists after cannabis prohibition was lifted while those above 5 nanograms per ml rose from 1.1 per cent to 3.5 per cent, according to the study, which analyzed blood samples from 4,339 drivers.
“I was a little surprised it went up that much,” said the study’s principal investigator, Dr. Jeffrey Brubacher, an associate professor in UBC department of emergency…
