It's no surprise that this happened at a downhill curve, at 35 mph, at 230 am. That's faster than the posted limit
the driver overcorrected, rolled to the passenger side, slid on the jersey barrier, and over the edge of the hillside barrier.
https://cowboystatedaily.com/2025/07/22/trucker-survives-accident-which-left-semi-dangling-off-of-cliff-on-wyoming-mountain-highway/