Thanks to a heads-up from Rob, I was able to catch Norfolk Southern train 203 led by NS SD70 #2559 as it passed east through Delaplane, Virginia on the NS B-line. Photos and video are below.
Photos
NS SD70 #2559 leads train 203 east through Delaplane, Virginia on 12/29/2017.
NS SD70 #2559 leads train 203 east through Delaplane, Virginia on 12/29/2017.
Video