How much does cannabis consumption really affect driving abilities?
The police department in Canada's capital will not be using the newly approved roadside cannabis tests.
Are cannabis breathalyzers the wrong approach to preventing people from driving under the influence?
Lyft is encouraging Massachusetts cannabis consumers to drive sober by offering $4.20 in fare credits for anyone who pledges on social media.
Canada's Attorney General approved the device after an independent panel of experts and pilot program found it to be reliable.
If you have a history of consuming cannabis, there's still spots available to get paid to drive high.
As more and more states legalize cannabis for recreational use, authorities are attempting to establish and enforce standardized stoned-driving laws.
Adult-use cannabis legalization is coming to Canada this summer, but the country's police forces say they don't have enough time to train officers to detect drug...
In Oregon, a city uses taxes from marijuana sales for safe driving program. Here's how public safety is improving.
Repeatedly searching his genitals and anus, police sexually assault man during roadside search for marijuana, court filings argue.