Amtrack policies on carrying a firearm are roughly equivalent to air travel. More carnage in a victim disarmament zone.
Then obey their rules and you may die.
Our local Amtrak station reminds me of a bus station from the 1960s. I see no security or scanners. Not sure why someone could not carry on Amtrak.
Used to ride Amtrak a lot. Unless they’ve changed their policies, there is nothing resembling a search of passengers or their carryon luggage.