Conrail was a railroad that came into play I believe in 1975, and was gone by 1998. It was funded by the U.S. government to help out some former bankrupt railroads.

In the map below is very large so you'll have to scroll around to find anything but it's a good one :)

Map of their network from the Wikipedia article on it

Then we get to the symbols they ran

Symbols in 1999

Finally a gold mine for the list of all the freight schedules for the various times in Conrail's legacy

Goldmine for freight schedules

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