Why it s difficult to develop a roadside test for marijuana written by matt berger updated on september 24 2018 police in colorado and california are using tests to see if drivers are high.
Roadside marijuana test equipment.
The ontario provincial police has yet to decide whether its officers will use new roadside drug testing equipment approved by the federal government.
Find out how current testing works and what makes it so difficult to test for marijuana.
Marijuana dui roadside testing is a new issue.
The ability to properly test marijuana impairment with roadside devices remains front and centre seven months after legalization with at least one possible legal fight brewing.