upgrades

Hello Everyone, I am just wondering how Auto Train upgrades work? Would I be able to call Amtrak Guest Rewards and ask for an upgrade on my existing coach tickets, I am an AGR member and would like to upgrade my party of 4 to two roomettes, Would I have to pay the difference between the coach...

Hi all, longtime lurker, first-time caller. Is the experience of traveling on the Acela rather than the Northeast Regional more interesting for a minor train nerd? I have a trip booked on the Northeast Regional round-trip from Philadelphia to Boston in October. I'm debating whether it's worth...