mjjaixen@up.com Union Pacific plays a leading role in preserving railroad history, and maintains the finest heritage fleet in the world, which includes the world's largest steam locomotive, the Big Boy No. Intermodal News Email Subscription. In that year Union Pacific reported that in Montana it received $94,478 in passenger revenue, $85,764 in mail revenue, $12,946 in express revenue, and $2,126 in milk revenue, compared to $1,702,935 in revenue from transporting freight. The Southern Region is track south of Little Rock, AR and Ft. Worth, TX to the Gulf of Mexico and west to Alpine, TX. While service remained at a high level this, however, did not carried an average train speed of about 50 mph the entire trip. and perhaps the train's marquee piece an articulated diner-coffee shop -- The last separate LA&SL Salt Lake Division timetable was No. 10, issued on October 31, 1982), System Timetable No. This all-scale narrow gauge and short line model railroad meet includes clinic presentations, display and sales opportunities, business meeting, coffee and donuts. // -->