Using cannabis edibles and alcohol together may make drivers far more impaired than either substance alone, according to new research from Johns Hopkins. Even more concerning, common field sobriety ...

MINNESOTA (Valley News Live) - The Minnesota Department of Public Safety has finished a pilot project that could lead to new screening tools for law enforcement. The Office of Traffic Safety submitted ...

Cannabis edibles and alcohol could cause dangerous impairment while driving without being detected during traffic stops.

The Wisconsin Legislature approved saliva tests in late February, another tool for law enforcement to screen for drugged driving during traffic stops, according to Senate Bill 678. The bill would ...

LANSING, Mich. — Momentum is building in the state legislature aimed at stopping people from driving high. New bills introduced in May would allow police officers to give roadside saliva screenings on ...

Repeat drug-driving offending is revealed to be five times higher than comparative drink-driving rates, according to new ...

[Stay on top of transportation news: Get TTNews in your inbox.] Motor carriers must continue to conduct random drug tests with 50% of their truck drivers and random alcohol tests with 10% of their ...