Golden Spike National Historic Site located at Promontory Summit, in Box Elder County, Utah. The nearest city is Brigham City, approximately 32 miles (51 km) east-southeast of the site. It commemorates the completion of the first Transcontinental Railroad where the Central Pacific Railroad and the Union Pacific Railroad met on May 10, 1869. The final joining of the rails spanning the continent was signified by the driving of the ceremonial Golden Spike. See also Scouting in Utah.