Enjoy the photo essay below and also the accompanying videos!
The car referenced in the stencil - HS 62261, was built in 1976 as RF&P 19224 and in 1999 became the HS 9368. In 2005 it was rebuilt to and renumbered to HS 62261 and became an unknown test bed. In 2007 it was relettered to OAR 62314.
The videos below depict approximately one hour of switching that resulted in the 55-car train departing. I would have loved to video the whole train passing, but a text message (learned my lesson to turn on Airplane mode) came through and halted the video halfway into the train...
Hope you've enjoyed!