I feel this list better convey's what you're going for: https://en.wikipedia.org/wiki/List_of_steepest_gradients_on_adhesion_railways https://en.wikipedia.org/

I feel this list better convey's what you're going for: https://en.wikipedia.org/wiki/List_of_steepest_gradients_on_adhesion_railways https://en.wikipedia.org/wiki/List_of_steepest_gradients_on_...