Union Pacific/Denver Post Frontier Days train at Union Pacific Depot in Cheyenne, Wyoming.

Union Pacific’s recently rebuilt E9s curve through Atchison, Kansas, on April 28, 1993. The A-B-A set of cab units is headed from Paducah, Kentucky, where they were rebuilt by VMV, to Omaha.

Its almost 1:00PM and the dispatcher wants everybody off the hill. The equipment is backing southbound on the siding at Bealville and is going to pull of onto the spur track.

A 2400 horsepower EMD SD24 has been serviced and awaits an assignment at Provo Yard on March 5, 1977. The UP rostered 34 'A' units with cabs and 45 'B' cabless booster units, built between 1958 an... (more)

One of the machines in the track maintenance arsenal is a tamper, like the one seen here east of Plainview, Colorado, on June 24, 2012. This Pandrol Jackson 6700 tamper (now Harsco Rail) works a s... (more)

On a hot summer day late in the afternoon of June 24, 2012, a Union Pacific Hi-rail inspects multiple sun kinks in the cut at milepost 23 east of Plainview, Colorado, on UP’s Moffat Tunnel Subdi... (more)

The engineer offers a wave out the window of a former UP SD90MAC as 29E approaches CP194 in Berea, Ohio. NS is in the process of acquiring 100 of these from Union Pacific.

Two trains are ready to head out, and a power consist with the power for two more trains makes its way out.

A Union Pacific CA-9 caboose trails a 23 car Utah Railway Martin Turn approaching Spanish Fork Canyon on Nov. 7, 1985.

Three light Union Pacific engines round the curve at Faria Beach on their way to Ventura.

As the “blue hour” settles in at sunset on New Year’s Day 2007, eastbound Union Pacific rotary snowplow No. 900082 approaches Wallace, Kansas, on UP’s Limon Subdivision, also simply known ... (more)

A real SP heritage unit leads a blade train down Beaumont Hill near Ordway.

The profile is classic USRA but that fat stack says Union Pacific. Some 625 light 2-8-2’s were turned out for American railroads under control of the United States Railroad Administration during... (more)

UP track inspector Frank Gonzales gives photographer Belmont a friendly wave as he goes about his job of keeping the Lynndyl Subdivision safe for trains on Feb. 24, 2015.