They happen in the South too...
http://www.timesfreepress.com/news/news/story/2010/dec/05/echoes-from-the-fog/36284/
Twenty years ago, on Dec. 11, 1990, Dyer was the first responder to the worst fatal accident on Tennessee highways in nearly two decades, and the most deadly fog-induced wreck in state history, according to the Tennessee Highway Patrol.
Ultimately 12 people died and 42 were injured in the 99-vehicle pileup, which began on the southbound highway when one tractor-trailer rear-ended another in the dense fog.
Not in my part of the south, well at least not for once every 40 years.
I have never seen one here in Lake Jackson Texas, Gulf Coast, been here almost 42 years since we got married....
Even when it snows about once very 15 years, the roads are clear....
That was only 99 cars, the MI wreck is 200 cars.
I’ve been through that section of I-75 many times, but only once when the fog was heavy. It was like driving into a white wall. Fortunately everyone around me slowed down and we crept through safely.