Curving through South Draw Union Pacific’s Denver to Salt Lake City freight (MDVRO) rumbles through the Tunnel District east of Crescent, Colorado, on the afternoon of October 22, 1999. The power of two SD40-2s, a SP SD40M-2 and two AC4400CWs curves out of Tunnel 16 and is about to pass the location of old Tunnel 17, with the train crew being able to look right and see the middle of their train exiting Tunnel 15. Tunnel 16 is 698 feet long and located on a 10-degree curve!
