The Spirit of Union Pacific leads one of the hottest trains in the Southeast, the Los Angeles-Atlanta hotshot.

UP 1358 (GP40N) joins other light power at the North Yard in Denver, Colorado.

UP 5910 (AC4400CW-CTE) gets ready to lead an oil can train west on the Moffat Tunnel Sub into the Colorado Rocky Mountains.

MBNAS making its way South towards Lincoln where they will meet a Northbound Amtrak train.

UP 9661 is on the rear of westbound empties.

UP 6210 brings up the rear of a Northbound Z having just exited Tunnel #2 at Bealville.

UP's Monolith local returns to Mojave passing Milepost 377.

South of Mojave, UP 6425 with a loaded Trona bound coal load awaits a crew.

UP 1507 (GP40N) works the North Yard in Denver, Colorado.

UPY 618 (GP15-1) works on shuffling a string of hoppers into the ladders in the North Yard in Denver, Colorado.

UP 2238 (GP38-2) waits in the Union Pacific's North Yard in Denver, Colorado for orders to hit the yard.

UP 8697 (SD70ACe) leads a coal train down the 2% grade at Eisele, Colorado as it runs towards Denver on the Moffat Tunnel Sub.

Snow falls in the Colorado Rocky Mountains as UP 9088 (SD70ACe) leads a freight through Tolland, Colorado on the Moffat Tunnel Sub.

MBNAS pulling out of Bloomington Yard for headroom as they put their train together before departing South for the Alton & Southern Yard in East St. Louis.

UP 7277 heads west along the Great Salt Lake through the former SP Lucin Cutoff.