A new rail cam is up and running from the same group who runs the Fostoria cam. This new one is located in Cresson, PA on the NS Pittsburgh Mainline:
See's 70-80 trains a day including a lot of helper moves (2 to 4 SD40E's), manifest, coal, tank, intermodal, and trailer trains.
3 main tracks.
http://www.railstream.org/cresson.html