Interactive map of the Transcontinental Railroad by Union Pacific
Map of the Central Portion of the United States Showing the Lines of the Proposed Pacific Railroads, Library of Congress. Published by the Union Pacific Railroad, circa 1857.
“New Map of the Union Pacific Railway, the Short, Quick and Safe Line to All Points West, 1883” Library of Congress
Missouri Pacific Railway System Map, Rand McNally and Company, Chicago, 1888. Source: kansasmemory.org, Kansas State Historical Society
Texas & Pacific Railway State of Texas map, 1873, Library of Congress
Texas Railroad Map, 1926
Map of Transcontinental Railroads, Canada & United States