In addition to thinking the conductor drives the train, UpChuck believes this is significant:

Over 40% of #Amtrak employees are black. They proudly talk about their diversity. Was it to blame here?

— Charles C. Johnson (@ChuckCJohnson) May 13, 2015

Off the top of my head, I’m thinking a lot of those employees work in customer service, car cleaning, food service, cleaners at the terminals, etc.