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The Union Pacific railroad was constantly in search of more powerful locomotives to pull it’s long and heavy freight trains through the heavily graded mountain passes of the Rockies. One answer to that search was the articulated locomotive known as “Big Boy”. With a wheel arrangement of 4-8-8-4, “Big Boy” was one of the largest and most powerful steam locomotives ever built.

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Downtown Salt Lake City

Union Pacific, Salt Lake City, Utah When I was little, my family took the train to was so exciting, and we got to hear the boy's choir at the Temple!


As part of the celebration of Los Angeles Union Passenger Terminal's 50th Anniversary, cab units from the three original tenant railroads were posted next to each other to recreate a popular PR / postcard photo from the pre-Amtrak days. From left to right are Southern Pacific E9A 6051, Union Pacific E9A 951 and Santa Fe F7A 347C on May 6, 1989. The SP and ATSF diesels are owned by the California State Railroad Museum, and the UP's E-unit is part of that road's historic fleet.