It's a cable hauled shuttle train. It is integrated with the rest of the BART system, but you do have to switch to a completely separate train that uses separa

It's a cable hauled shuttle train. It is integrated with the rest of the BART system, but you do have to switch to a completely separate train that uses separate tech, so it's fair to call it a shuttle. But you're totally right that it's not a shuttle bus anymore, those are gone now. :)