Diplomacy in Action. Sanctioned Entities List. The Department of State has sanctioned the following entity for its commercial activities in Iran, pursuant to its authorities under the Iran Sanctions Act of 1996, as amended.
The two railroad companies involved in the transcontinental  railroad were the Union Pacific and the Central Pacific. They  completed the track on May 10, 1869 at Promontoryâ¦ Summit, Utah.
The Transcontinental Railroad was completed in six years. The Central Pacific Railroad and the Union Pacific Railroad lines met at Promontory Summit, Utah. It was here on May 10, 1869 that California Governor Stanford drove the Golden Spike (or the Last Spike), that symbolized the completion of the first Transcontinental Railroad.