Re: Cajon Pass grade vs Horseshoe Curve grade
Author: HollySugarSW1
Date: 06-22-2017 - 22:44
My definition of "Helper" are engines that are attached to the train at the bottom and removed at the top. Or vise-versa if used for braking. I don't consider DPUs "helpers", because they are made up as part of the train and stay with the train well before and after going up the Cajon Pass.