Twenty-Seven and a half minutes elapse in this collection of four shots layered together as the Pennsy signal bridge at AR (Allegheny Range) stands tall against the backdrop of the swirling night sky and the North Star. This signal stands close to the Pennsylvania Railroad’s summit across the Eastern Continental Divide 2,167 feet above sea level and lets eastbound crews know half the journey over the mountains is complete before they enter Portage Tunnel and into “The Slide” and down the mountain.