CRIPES! Don't they all have radios to communicate with one another?
You'd think they would pay attention to the weather conditions and drive accordingly.
Two videos
http://www.liveleak.com/view?i=14a_1429378266 (http://www.liveleak.com/view?i=14a_1429378266)
wyoming pileup April 16 2015 - Credit Jerry Williams (http://www.youtube.com/watch?v=rYAHwxaNnBs#ws)
Two cups of truck-driver brain piloting 60,000 pounds of steel and aluminum in a blizzard. What could go wrong?