Categories Articles I rode in business and first class on Amtrak’s NextGen Acela, the fastest train in the US. Here’s how they compared. Post author By crystalg Post date January 8, 2026 Business Insider Business Insider Tags Acela, Amtrak's, business, Class, Compared, Fastest, First, Here's, nextgen, Rode, They, train ← 5 of the Strangest Products at CES 2026, Including One That Lets You ‘Chat’ With Your Cat → Honor steps up to the big leagues with the Magic 8 Pro