UP 7634 (ES44AC) leads an oil can past a green signal at Rocky, Colorado as it heads west on the Moffat Tunnel Sub.

UP 7634 (ES44AC) rounds the corner at Rocky, Colorado as it heads west into a bright sunset on the Moffat Tunnel Sub.

Cloud shrouded Tehachapi Pass lies ahead of UP 7634.

A westbound UP stack train meets a departing Texas Eagle as the former comes out from under the Dallas Convention Center.

UP's Lathrop to Global 2/Chicago intermodal exits the "Big Hole" eastbound through Eder on Donner Pass, on 10-10-10.

A heavy manifest works up the #2 main at Caliente, as the temperature begins to rise on a summer morning.

There is no doubting the heritage of this route as the modern GE drops down Low Hill about 55 miles from the end of its Oakland to Salt Lake City journey. The bridge passes over a little used roa... (more)

This Oakland to SLC hot shot is curling around the curve at the east end of Delle siding on the former Western Pacific mainline. The snow covered and forested Cedar Mountains rise in the distance... (more)

A ZMNLA meets the eastbound Texas Eagle departing Dallas Union Passenger Terminal.