He said users' attitudes conflicted with established scientific evidence, showing cannabis increased the risk of motor vehicle crashes by up to 300 per cent.
Links
[1] http://www.abc.net.au/news/2015-06-10/cannabis-users-report-driving-under-influence/6534368
[2] http://rethinkpot.org/tags/australia
[3] http://rethinkpot.org/tags/car-accident%2A
[4] http://rethinkpot.org/tags/car%2A