- Nationwide in 2015, only 57% of fatally injured drivers were tested for drugs
- Of the positive tests reported, 35% were positive for marijuana
This story has been updated to reflect more precise language on the presence of drugs found in the bodies of those involved in 2015 auto fatalities.
(CNN)Driving while on drugs was associated with more deaths in 2015 than driving with alcohol in one's system, a new report found. Still, some safety experts caution that drunken driving remains a bigger problem and say that "drugged driving," as the report refers to it, needs more research.