Data released Tuesday indicate that the number of Washington drivers involved in deadly crashes who tested positive for active marijuana doubled from 2013 to 2014 - the first year of legal marijuana sales in the state.
Links
[1] http://www.king5.com/story/news/local/2015/08/20/fatal-crashes-involving-marijuana-double-in-washington/32084631/
[2] http://rethinkpot.org/tags/car%2A
[3] http://rethinkpot.org/tags/fatalities
[4] http://rethinkpot.org/tags/washington