Driving under the influence of cannabis increases the risk of traffic accidents, but despite plenty of research into cannabis use by drivers, there is no consensus on deciding who is too high to drive
Does Marijuana Affect Driving?
Can marijuana kill you?
Is Driving High as Dangerous as Driving Drunk? - The New York Times
Inside the secretive cannabis lab that makes futuristic weed
Vaping Cannabis Produces Stronger Effects Than Smoking Cannabis For Infrequent Users
Is It Safe to Mix Alcohol & Marijuana?
The cannabis industry's next war: How strong should its weed be? - POLITICO
Study: 60% of Drivers Who Use Marijuana in Legal States Drive Under the Influence
CDOT study shows increase in Gen Z 'driving high' in Colorado
Driving High In Ontario What Are The Laws, Fines And Dangers?