Nearly half of Americans believe police can’t detect recent cannabis use behind the wheel, but new roadside technology may soon prove them wrong. Minnesota Department of Public Safety (DPS) officials ...

With the legalization of recreational marijuana in Massachusetts, researchers and law enforcement officials have been scrambling to find a solution to one question in particular: How can you know when ...

Can roadside drug testing really detect impairment? (15 min 26 sec) As New Zealand gets set to rollout roadside drug testing, an Australian expert says it's a scattergun approach that doesn't reliably ...

Add Yahoo as a preferred source to see more of our stories on Google. There could be a new way for law enforcement to stop impaired drivers here in Ohio. Voters have now made medical and recreational ...

LANSING, MI -- A longtime Michigan sheriff wants police armed with a handheld spit-test device to help determine whether drivers are high on drugs. State Rep. Brian BeGole, R-Antrim Township, the ...

While the legalization of marijuana continues at a steady rate in the U.S., this does not mean that, on having taken the substance, someone is any safer to get behind the wheel of a motor vehicle. The ...

The Minns government says new cannabis driving laws don’t change the existing presence limit. But they refuse to answer ...

Police on Long Island are now using a roadside saliva test that can detect marijuana use and other drugs. The test system, called SoToxa, takes five minutes and can identify seven types of drugs, ...

Voters have now made medical and recreational marijuana legal in Ohio. But it is still against the law to drive under the influence of drugs including marijuana. “It’s putting their lives at risk and ...