A four pack of SD40E helper locomotives shoves loaded coal drag 590 up the West Slope of the Allegheny Mountains past the soon to be extinct color position lights at Portage.
NS's Southern Railway heritage unit leads this Shire Oaks, PA-Baltimore, MD coal train. It looks like the NS 9019 D9-44CW trailing unit's engine compartment was very hot at one time.
The shadows are quickly engulfing the valley floor as a double set of helpers, three still in Conrail paint, shove an eastbound coal drag through Ehrenfeld, PA.