The railroad has been a force in American urbanism since the Iron Horse first pushed its way across the Western prairies and mountain ranges. Many Western towns, including Laramie and Cheyenne in Wyoming, were founded by the Union Pacific Railroad during the late 1860s on its drive to complete the Transcontinental Railroad. In other cases, small towns like Omaha, Nebraska, became big cities almost overnight, when thousands of men who worked for the railroad poured into town, followed by the peop