hey...thanks.
the report
https://www.ntsb.gov/investigations/AccidentReports/Reports/HWY18MH005-prelim.pdf
Not to cloud the issue (though this clouds the issue), but the crossing gates at this crossing had a history of misbehaving.
Either the truck was trying to derail the train...or being aware of the historical misbehavior of the gates was simply trying to stay on schedule.