I had an opportunity to experience the Pittsburgh Amtrak Station one 3 occasions. Once last spring and twice in January 2016. The station is sparse compared with the great train stations in the big cities. The track is owned by Norfolk Southern so the platforms are low and designed to let freight trains pass easily.
The other side of the picture are the Amtrak personnel who man the waiting room, ticketing booths and assisting passengers on an off the Amtrak trains. I give these very pleasant and hard-working people a 5+ rating. They help you with getting your luggage on and off the train. They re there to put your luggage on a baggage cart so you do not have to haul it up or down an escalator or try to muscle it onto the single, smallish elevator.