Atop the rock cut at the Allegrippus Curve, we can see the constant 1.86% grade up the hill on the backside of Horseshoe Curve. Rarely photographed, but the action is more dramatic and all to one'... (more)
At dawn, a manned helper set of SD40E's pops out of the New Portage Tunnel and heads down "The Slide" on the journey back to Altoona to help another train up the mountain. This is the steepest gra... (more)