Do zero-tolerance cannabis limits — for young drivers and police officers, for example — make sense? A new study raises doubts.

Training for legalization cost almost $370,000 since 2017.

One toke for the road could end up being a total bummer for drivers who smoke weed, with several companies in the United States and Canada preparing to market cannabis breathalyzers.

In Quebec, the provincial police released their one-year assessment painting a portrait of the new reality for law enforcement.

Police, lawyers and advocates say that Canada has a long way to go toward stamping out the black market in cannabis and pot-impaired driving.

Officers say the man looked impaired and had cannabis readily available in his vehicle.

More than six months after laws were passed setting limits for drivers' THC, they're rarely used, since police have to arrange for a blood test. One calls the charge 'literally the last resort.'

A new study from the University of British Columbia is suggesting that Canada's cannabis-impaired driving penalties may be too strict.

A Toronto woman took three THC gel caps and tried an impairment-testing app based on video games. The results were a surprise.

Last May long weekend, 110 people were charged with impaired driving after being stopped by Alberta RCMP, according to Sgt. Darrin Turnbull.