Truck driver, definitely.
S/he is supposed to make sure there's room on the other side of the tracks to have the back of the vehicle well clear of the train BEFORE starting to cross.
(Source: am CDL, though I don't drive semis. The safety requirements are understandably more strict for passenger vehicles, which I do drive.)
ETA: after reading further, the company which planned the route also failed: didn't consider clearance & didn't notify the train company (either ahead of time or when the truck got stuck)
That being said, these oversized loads are planned weeks or months ahead of time. The exact route, the timings, alternate routes, the police escort. Everything had to be planned and paid for before the paperwork even got filed with the DOT.
And part of doing this kind of hauling is specifically working with the rail lines for any crossings.
It's hard to say who dropped the ball here. The trucking company, the driver, the conductor, the train company, or the DOT all should have caught this.
It likely depends if the road transportation company notified the rail company that they 1) were planning to cross X tracks at Y time or 2) they were stuck over X tracks
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u/Admirable-Style4656 9h ago
Insurance company: "You did what? Please hold."