A continental connection
The 1869 joining of the Union Pacific and Central Pacific at Promontory Summit, Utah Territory, created the first continuous rail connection between the existing eastern rail network and the Pacific coast. It transformed travel, communication and commerce across enormous distances.
Government and private enterprise
Federal legislation supported construction through land grants and financing mechanisms. Railroad corporations supplied management, capital, engineering and labor, while the public policies behind the project created long-lasting economic and political consequences.
Workers who built the route
Construction depended on thousands of workers, including large numbers of Chinese laborers on the Central Pacific and Irish and other immigrant workers on the Union Pacific. They worked through mountains, deserts and severe weather under dangerous conditions.
Consequences for Native peoples
Railroad expansion accelerated settlement, commercial hunting and federal control across the West. For many Native nations, the railroad era brought loss of land, disruption of traditional economies and intensified military and political pressure.
A new national market
Manufactured goods could move west while agricultural products, minerals and other resources moved toward distant markets. Additional transcontinental routes soon followed, making railroads fundamental to national economic integration.
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