4 units lead this eastbound UP Denver bound Z train as it races through Hesperia.

Enroute to Ogden from Salt Lake City, a pair of Union Pacific SD70M's ease through the railroad's North Yard with the beautiful Salt Lake City skyline in the background. A classic Belmont backd... (more)

Two Union Pacific southbound freights change crews at Parsons, Kansas, on May 7, 2014. Parsons is an old shop town, yard and crew change point on the former Missouri-Kansas-Texas (Katy) Railroad.

An eastbound UP heads up main #3 in the Dell section of Cajon Pass.

A face in the crowd

UP 3966 goes for a spin. Click "UP 3966" in the loco # field for additional views of the engine being serviced that day.

Challenger X3966 is serviced and is backing up to it's train, impressive even on the dark side. For more color views from that day, click here... (more)

Challenger X3966 gets a drink before heading out to a waiting train in the yard. For more color views from that day, click here

Steam still prevailed at Cheyenne in '57, it still is home to UP's steam fleet today. For more color views from that day, click heremore)

Q675 heads into the setting sun with a nice UP leader.

Union Pacific westbound double stacks pass through Rock Springs, WY under the ROCK SPRINGS COAL sign.

Crew change of a Westbound stack with the trainee after emptying the trash returning to the engine

At 4:45pm the sun has just dropped behind the Santa Rosa mountains as this EB has just cleared Mecca, CA. Mecca at 196' below sea level is the lowest surface railroad point in North America.