I talked to one of our sleeper team drivers in the store a couple of days ago. I was saying how stupid those drivers were, driving into the pile.
He laughed and said that it wasn't so cut and dry. He said that portion of the interstate is straight downhill, and to the camera's right--from the video from across the interstate--is a crest in the hill. So apparently, before that hill starts going straight downhill, it goes down, and then back uphill, hitting the crest of the hill before getting to the part of the hill we see in the video. So he was saying you can't see what is ahead until you get over the previous hill. He also said that stretch of highway typically gets a thick ice pack for weeks at a time. He said it isn't real bad, unless you have to hit your brakes hard. Anyone who drives up north knows what he is saying. There is a certain amount of reliable traction on a dry icepack. BUT, if someone wrecks--he said--you're screwed.
Having said all of that, he, like most of us here, agreed that Fed-Ex and the car-hauler were obviously going waaay too fast for the conditions.