A pair of aging UP SD70M's lead a Hulsey Yard bound intermodal train through Howell Interlocking

A pair of freshly rebuilt ex dash 9's lead a westbound MFWWC at Willcox, AZ.

It looks and feels more like winter on April 15, 2013, in front of North Yard tower at Union Pacific’s former Rio Grande facility in Denver, Colorado.

A Union Pacific fuel track employee trundles out into the heavily falling snow to his next assignment at UP’s North Yard locomotive facility on April 15, 2013.

UP comes down off the Belt and into Hoffman Yard.

The Northside Commute. During pre-rush hour in Downtown Chicago, a Metra equipment set coming from California Ave Coach Yard can be seen on it’s way to Ogilvie Transportation Center in pr... (more)

The engineer of an eastbound coal load provides a friendly wave as his train prepares to duck under US20 west of Van Tassel in far eastern Wyoming. Predecessor Chicago & North Western's western ar... (more)

On April 15, 2013, the Denver, Colorado, area received anywhere from 8 inches to over a foot of wet spring snow, and it’s still coming down as dusk begins to settle in on the fuel track at Union... (more)

Heavy snow is falling outside of the Moffat Tunnel East Portal while deep inside a Union Pacific freight train is slowly making its way through the 6.2-mile-long tunnel.

UP 8016 (ES44AC) runs through Crescent, Colorado as heavy snow falls on the Moffat Tunnel Sub.

UP 8016 (ES44AC) runs between Tolland and Rollinsville after coming through the Moffat Tunnel and into heavy snow.

UP 8016 (ES44AC) splits the signals after exiting the east portal of the Moffat Tunnel and runs into heavy snow falling on the east side of the Continental Divide.

Heavy snow is falling at Tolland, Colorado as UP 8016 (ES44AC) leads an oil can on the Moffat Tunnel Sub.

UP 9080 (SD70AH) has just run through Coal Creek Canyon and leads a freight up the grade towards Tunnel #1 at Plainview, Colorado.

UP 8016 (ES44AC) runs through a sunny Leyden, Colorado as it heads to Denver on the Moffat Tunnel Sub.