The results of the research show that legalization of recreational cannabis in United States jurisdictions may be associated with a small but significant increase in fatal motor vehicle collisions and fatalities.
Amendments to the Criminal Code in 2018 included new laws and testing regimes for drug-impaired driving, while the police can use a Standardized Field Sobriety Test or a Drug Recognition Expert Evaluation to determine potential impairment.
However, according to Dr.
“We researched the association between risk and levels and we found that people with levels less than five nanograms/ml were not at any increased risk of causing a collision.
According to the results of the December 2020 Public Safety Canada report, the proportion of drug-impaired incidents has increased over the past 10-12 years, with cannabis being the most frequently detected drug among drivers.