cannabis driving

A three-judge panel in Arizona ruled recently that driving after consuming marijuana cannot be penalized if the driver is not impaired. The move effectively overruled previous decisions by an administrative law judge whose reasoning was upheld by the Maricopa County Superior Court subsequently,...

German President Frank-Walter Steinmeier signed into law a bill Friday regulating driving under the influence of cannabis. In June, the Bundestag set a maximum allowed limit of THC – the psychoactive substance in the cannabis plant – for drivers at 3.5 nanograms of THC per milliliter of blood. That...

The Hawai'i Police Department (HPD) recently participated in a Cannabis Impaired Driving "Green Lab," the first of its kind in the state. Medical marijuana patients volunteered for this three-day training event, taking part in standardized field sobriety tests, conducted by 25 officers. The tests...

A new study conducted by scientists at Swinburne University of Technology’s Centre for Human Psychopharmacology concluded that medical marijuana when used as prescribed has an insignificant impact on simulated driving performance.  The semi-naturalistic research published in a peer-reviewed...

As marijuana becomes mainstream, it is important to find a way to determine a person's recent consumption. This is something that scientists have been trying to figure out for a while now, but just recently may have come up with an appropriate and accurate methodology. The new techniques have been...

Before retail licenses to sell marijuana continue to be issued in the state, Gov. Kathy Hochul's administration is trying to develop a way to measure when motorists are driving while under the influence (DUI) of cannabis. There is no current standard or valid test yet. In seeking solutions...