UP M-PRPR heads westbound towards the UP Harvard Sub with the two usual SD40Ns.

After waiting in the siding at MP 43, flag waving UP SD70M ducks out of the short tunnel at Fort Montgomery.

UP heritage unit CNW 1995 on display at the Tucson yard. Photo taken with permission.

UP 7363 is in full dynamics as it rolls down the grade from the summit at Dragoon. It is now passing the siding at Fenner and will soon be to the town of Benson.

UP 3051 leads a short Z train up the steep grade at Chamiso

UP 3209 leads SP 5319 into the yard in La Grande. Photo taken with permission.

The Union Pacific Track Inspection car EC-4 sits near the yard office in Tucson. Photo taken with permission.

Former Southern Pacific patched unit UP 6322 sits by itself in the Tucson yard. Photo taken with permission.

Union Pacific 5527 leads UP 4217 and GATX 2671 westbound across the Cienega Creek bridge.

Union Pacific SD90MAC 8201 leads a concrete tie train eastbound under the westbound Cienega Creek bridge.

Union Pacific SD90MAC 8201 leads a concrete tie train eastbound towards the summit of Mescal. It is now beginning to go up the new eastbound main that was laid between this location and the summi... (more)

Having done some switching moves prior to departure, this is one of the times #844 can be seen out on the road with its front coupler exposed.

A former Denver & Rio Grande Western GP40-2 (UP 1370) waits for orders in the UP's North Yard.

Under a haze of smoke from the many wildfires burning in the Northwest, a Union Pacific Stack rounds through lush Rushton Point on the Columbia River.

The last C40-8 leads the northbound MKCSJ in a scene from the 90's passing the NS-KCS transfer waiting it's turn to go across the ASB bridge.