Eastbound trains when seeing these signals know they have reached the summit of the Alleghenies on the former PRR mainline. From here it’s all downhill.

NIGHT SIGNALS » Eastbound trains when seeing these signals know they have reached the summit of the Alleghenies on the former PRR mainline. From here it’s all downhill.

“AR” SUMMIT

Published October 18, 2015 at 1200 × 800 in NIGHT SIGNALS