“The issue law enforcement is expressing in New Jersey is real and significant. Other states that have gone ahead with recreational adult-use sort of gave the topic not enough attention,” said Doug Boxer, vice president of Hound Labs. “Law enforcement and employers don’t have real, good ways, a good methodology, to determine if someone has used marijuana.”
Opponents of legal weed and some law enforcement officials have worried about a lack of measures for catching drivers under the influence of marijuana, the effects of which are less predictable than alcohol. Right now, there’s no widely-accepted quantifiable measure for cannabis intoxication, though the National Institutes of Health have come to a consensus on what a cannabis high looks like. Experts trained to recognize a high driver in the field, not blood testing, is the best indication of driver impairment, studies show.
Read more from the source: NJ.com