Originally Posted by
itsme
If one presents themselves at ZFV or EWR before time for scheduled train, will they be allowed to go on an earlier non-Acela one?
Northeast corridor trains are all reserved. You'll need to ask am Amtrak agent at the Philadelphia station or for Newark Airport call in as there is no Amtrak ticket agent there any more. I would not suggest simply boarding an earlier train without changing y

ur reservation..