Crash that killed pregnant teacher shows potentially deadly consequences of driving while high

Is marijuana legalization leading to more stoned drivers on the roads?

State controller to cannabis industry: Grow up and deal with stoned drivers

Synthetic ‘marijuana’ seen as a public health danger

Report finds many drivers in fatal crashes had opioids or marijuana in their system

Deadly Bay Area crash added to list of tragedies in other cannabis-friendly states

Smartphones, alcohol factors as roads become more dangerous for pedestrians again; is legal cannabis part of the problem?

LAPD vows to enforce rules ahead of recreational cannabis sales in Los Angeles