Union Pacific unveils experimental test locomotive NEWSWIRE

UP 9900

David Lustig ROSEVILLE, Calif. – Union Pacific Railroad unveiled an advanced experimental locomotive at Davis Yard in Roseville on August 22. Locomotive No. 9900 will test three emissions-reducing technologies: exhaust gas recirculation, diesel oxidation catalysts, and diesel particulate filters. The locomotive is designated model SD59MX. The test will help railroads and locomotive manufacturers develop technologies to […]

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UP and SP at LAUPT

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Union Pacific 4-8-4 803 and a Southern Pacific E7 wait outside Los Angeles Union Passenger terminal in the late 1940s, ready to back down to their respective trains. The E7 is for the Golden State, while the 4-8-4 is likely for the Los Angeles Limited. Herbert Johnson photo […]

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How I became ‘Old Smoky’

UP-Idaho-4-6-6-4

In October 1953, about the time author Les Clark was a fireman here, a Union Pacific freight climbs the grade out of the Snake River Valley near Reverse, Idaho. Challenger 3838 is on the point; 2-8-8-0 pusher 3528 was added at Glenns Ferry. David W. Salter October was a favorite month for me in southern […]

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Running through!

An eastbound run through train between the Southern Pacific and Seaboard Coast Line between Houston, Texas, and Jacksonville, Fla., rumbles through Orange, Texas, behind a trio of SCL units, two U30Bs and a GP30. The date is May 1972. Photo by J. Parker Lamb Jr. […]

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Union Pacific Railroad Construction Photos

FULL SCREEN UP photo Casement Brothers construction train used during the building of the Union Pacific Railroad. Three 4-4-0s were the power this day. FULL SCREEN UP photo Casement Brothers camp train during the construction of the UP. Note the barely finished cottonwood logs stacked as ties to the left and the scant ballast, probably […]

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Southern Pacific’s Lucin Cutoff

TM0502

An English import, the American railway diverged sharply from English ideals. Environment proved stronger than genetics — settled and industrializing England constrained railway builders to design the most efficient routes possible, whereas their counterparts in unsettled and impecunious America disregarded gradient and circuity on pain of not completing lines at all. As the American era […]

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Union Pacific trains per day: 2001

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This Map of the Month was featured in the November 2001 issue of Trains magazine. Train frequency per 24 hours on the vast Union Pacific system, in first quarter 2001, is revealing both for what is indicated and what is not. Consider, if you will, the pre-1982 Union Pacific, i.e., before merger mania. With just […]

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