Name something that occurred in 2011 that resulted in traffic violations occurring. If you can't, you have no point.
Simply wrong.
In Colorado, Washington state and states that decriminalized marijuana, the pattern consistently shows traffic fatalities increasing after marijuana legalization/decriminalization.
You've provided evidence only for Colorado - and there, the rise predated legalization.
more citizens intoxicated = more negligent deaths.
No evidence that legalization = more citizens intoxicate.
I don't points I can't back up. Traffic fatalities involing marijuana more than doubled from 2011 to 2016 in Washington state:
https://www.bellinghamherald.com/news/traffic/article166826757.html
Fatalities involving marijuana-impaired drivers on the rise
Pot advocates care no more about the truth than Hillary Clinton.