Denver & Rio Grande Western [Union Pacific]
Colorado (Crater Loops)
October 3, 1997
One of the most fascinating pieces of engineering on the original Moffat Road line to Craig were the Crater Loops. In order to gain altitude in a restricted amount of real estate, the tracks looped around in what almost formed a figure eight as they climbed towards Toponas Summit.
Last updated 10/1/2017. Text and photo ©2017 Lamont Downs.