Last Run Through The Mountain | Inside the Moffat Tunnel 

Last run of the season, crossing the continental divide. Over 6 miles long it takes roughly 15 minutes in the Rocky Mountaineer.
The Moffat Tunnel is a railroad and water tunnel that cuts through the Continental Divide in north-central Colorado. Named after Colorado railroad pioneer David Moffat, the tunnel's first official railroad traffic passed through in February 1928
Filmed in reverse.