A few years ago I saw one of these loss-of-control situations happen in the opposing lanes but it came to a better ending. I was southbound on the interstate and noticed a pickup towing a trailered bobcat begin to sway oddly on the northbound side. I'm sure the guy tried his best to get ahead of it but each swing got more dramatic. At first the rig was more or less swinging back and forth in his lane but as the arcs got bigger he was soon across both lanes (temporarily!) and then I'd see the rear end of the pickup being pulled sideways by the trailer, tires a-smoking. Eventually, the trailer and bobcat passed the truck.
Amazingly, the rig came to a stop pointed southbound on the berm of the far northbound lane, as if he had parked it there on purpose.
The rig never hit the center divider and, because the berm was paved here, never went off the pavement. I assume it was the low center of gravity of the bobcat that made the difference in outcome.