PG today follows up on the pre-obituary for train service from Pittsburgh to New York: Amtrak's Regulars Treasure the Pennsylvanian. Here is the annual ridership from 2012 at each of the stations impacted by this. This all comes from GreatAmericanStations.com which has a host of data on literally each station. See links below for more on that.
and yes... to the map. But again, from Mike Hicks of MN what this all looks like visually.