Most roadside tests for stoned driving in the United States currently involve a verbal assessment, and nothing equivalent to the Breathalyzer for alcohol exists yet for cannabis. A British company Oxtox has developed a disposable test for high driving, but is it good enou...
Researchers at Arizona State University in Tempe have developed a smartphone app that could help determine whether someone is too stoned to drive a car. It can also enable police to identify impaired drivers.
Over the past year, several tech companies have come forward with breathalyzers they claim can gauge marijuana impairment, but only one has argued the ability to distinguish between a regular user and a high driver.
Alcohol remains far and away the most prevalent drug present in the blood of drivers involved in severe or fatal traffic accidents, according to a pair of recently published European studies.