Ran across this video in an ATCS group....I thought it was kinda neat.
http://www.youtube.com/watch?v=3Sow8O1_ZNA&feature=youtu.be (http://www.youtube.com/watch?v=3Sow8O1_ZNA&feature=youtu.be)
It is an NS video on trackside signals and communications.
Paul
I liked the footage from CSX's Central Ave derailment in New Orleans... I thought it was funny that they included that!
-Chip :)