420 with CNW — Assessing Impaired Driving Is Evolving as Cannabis Legalization Spreads
When the current wave of marijuana legalization hadn’t fully taken root around the country, concerns about impaired driving mainly focused on alcohol. Today, impaired driving can be due to alcohol, cannabis and, in some few cases, medications. For a police officer looking for impaired drivers, there is a growing challenge to distinguish cannabis impairment from impairment caused by alcohol consumption. This is because there is no agreement about how much THC, the cannabis compound responsible for making users high, is sufficient to cause a driver to be impaired. Additionally, impaired drivers exhibit the same signs, such as swerving while driving,…

















