Chao | US Department of Transportation along with speakers from local and state government on May 10, 2019.īy James Yee Photography An actor portraying President Abraham Lincoln, shakes hands with a lucky fellow at Golden Spike National Historical Park to celebrate the completion of the Transcontinental Railroad at Promontory, Utah where the First Transcontinental Railroad in the United States was officially completed on May 10, 1869. 20,000 people came to the Golden Spike National Historical Park to celebrate the completion of the Transcontinental Railroad at Promontory, Utah where the First Transcontinental Railroad in the United States was officially completed on May 10, 1869.