UP 8668 (SD70ACe) leads the Grand Junction to Denver train around the base of Blue Mountain on the Moffat Tunnel Sub.

Under storm clouds with sun rays peeking through, UP 8668 (SD70ACe) leads the Grand Junction to Denver train through Plainview, Colorado on the Moffat Tunnel Sub.

UP 8668 (SD70ACe) runs past wild sunflowers as it leads the Grand Junction train to Denver, Colorado.

The all-seeing eye at Rocky, Colorado catches UP 8668 (SD70ACe) leading the Grand Junction train to Denver, Colorado at sunrise.

A beautiful backdrop is seen just north of Bond as five UP engines lead the Phippsburg Local east as they round the horseshoe curve at Copper Spur Road.

With the C&H Sugar Plant looming in the background, Union Pacific SD70ACe #8668 and two typical SD70Ms lead the Oakland to Tacoma, WA baretable train (IOATAR-10) along the Carquinez Shoreline at E... (more)

Union Pacific SD70ACe #8668 and two typical SD70Ms lead the Oakland to Tacoma, WA baretable train (IOATAR-10) through Eckley.

The KMNOA flies west on the Oakland Sub along a row of palm trees. No, this is not Southern California.

UP 8668 is on the point of a UP stack train moving westbound at Ethel, MO. New signals are up along the Marceline Sub but not all have been cut in yet, as seen here at the east Ethel crossover.

UP 8668 makes his way through East Fostoria going over the malfunctioning crossing of the tracks and Country Road 39.

up 8668, 7527, 7690, & 8630 lead a westbound stack train.

An SD70ACe, UP 2002 (Salt Lake 2002 Olympic), and another SD70M lead this hot shot Los Angeles, CA to Denver, CO Expedited Z-Train into Platteville just before sunset. Railroad: Union Pacific
Locomotive: EMD SD70ACe
Location: Platteville, Colorado, USA
Locomotive #: UP 8668
Train ID: ZLADV-31
Photo Date: April 01, 2012

Union Pacific's Denver, CO to Salt Lake City, UT expedited intermodal pounds the switches at Grant Tower in Salt Lake City. Second out is the UP 2002, an EMD SD70M dressed in Winter Olympics liver... (more)

UP 2002, the Salt Lake Olympic unit was the second motor on this Los Angeles, CA to Denver, CO hot Z-Train seen racing through Plateville, CO.

UP's ZLALT works up the slight grade between Bena and Sandcut as it heads North towards Bakersfield.