At which Utah location was the golden spike driven to complete the First Transcontinental Railroad?

The golden spike was driven at Promontory Summit in Utah to complete the First Transcontinental Railroad.

The ceremony took place on May 10, 1869, when the Union Pacific and Central Pacific railroads met. Leland Stanford, president of the Central Pacific, drove the ceremonial golden spike into a laurelwood tie. The event symbolized the linking of the eastern and western rail networks, although the connection still required operational arrangements and later improvements.

The railroad created a coast-to-coast route that sharply reduced travel time between the Missouri River and California. Before its completion, overland journeys could take months, while rail travel made the trip possible in about a week under favorable conditions. The line supported migration, commerce, mail delivery, and military movement.

Construction relied heavily on immigrant labor, including thousands of Chinese workers on the Central Pacific and Irish workers on the Union Pacific. The railroad also harmed Indigenous communities by accelerating settlement, hunting, and federal pressure across the Great Plains and western territories.