Originally Posted by
indyfabz
Looking at the video again, I’m willing to bet the trailer got stuck on the hump at the crossing. That may have lifted the drive wheels of the tractor off the ground or maybe even caused the trailer to become unhitched.
I'm with you. Hard to say if reverse was an option, but that's usually the last thing thought about. Trying to power out of in the direction that got one stuck, usually doesn't work.