cleared of debris. Permission to dismantle the rails on Rollins Pass was granted by the Interstate Commerce Commission on Saturday, May 18, 1935 and the rails were removed the following summer: the west side was cleared by Tuesday, August 11, 1936, and the east side 14 days later; contractors toiled non-stop, including overnight to remove both the rails and ties. A wye on the passing siding at the East Portal of the Moffat Tunnel is currently utilized for short-turning some modern services and marks the spot where the Rollins Pass line, if it still existed, would have merged into the modern route. The route through the Moffat Tunnel became part of the mainline across Colorado for the Denver and Salt Lake Railroad, later the Denver and Rio Grande Railroad, and now the Union Pacific Railroad. The Moffat Tunnel continues to be used for both the Amtrak's California Zephyr that provides service between Chicago, Illinois and Emeryville, California as well as for the winter and sometimes summer Ski Train that operated between Denver and Winter Park from 1940 to 2009; in March 2015 and from 2017–present, the service was rebranded the Winter Park Express. The original 1922 law that authorized the construction of the Moffat Tunnel specified that it should also be used for automobile traffic, with automobiles being placed on a ferry of flatbed railcars. To date, this has not happened. The pioneer bore used to originally construct the Moffat Tunnel was later converted into the Moffat Water Tunnel by Denver Water. Rollins Pass as an air route and navigational waypoint In the era of powered flight, Rollins Pass provides an attractive way to cross the Continental Divide between west and east at a relatively low point for aircraft. Not only does the enroute airway radial, Victor Eight, cross the pass; but also a rotating airway beacon was established in the mid-to-late 1940s and first appeared on aeronautical sectional charts in March 1948 as a star, indicating a beacon. The beacon and its supporting infrastructure have since been removed due to the introduction of the Low-Frequency Radio Range systems to replace visual navigational aids. The rough road that was once used to service and reach Beacon Peak at the Continental Divide, branches off of the Rollins Pass road, and is closed to all forms of motorized traffic per the current Motor Vehicle Use Maps. Rollins Pass as an historic automobile