It’s going to be really hard to figure out how many car crashes are caused by drivers under the influence of marijuana

In the last 3 years, 3 states—Colorado, Washington, and most recently Oregon—legalized the use of recreational marijuana. During a congressional hearing on the potential threat posed by stoned drivers, Jeff Michael, a program administrator for the National Highway Traffic Safety Administration (NHTSA), was asked how many crash fatalities are caused by marijuana each year. His… Learn More »