Transcontinental Railroad

First U.S. railroad connecting the Pacific coast and Eastern states

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Transcontinental Railroad
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Overview

What happened

1869: Transcontinental Railroad Completion Launch in Promontory Summit, Utah, unites east and west with over 1,900 miles of track

Date

May 10, 1869

Location

Promontory Summit, Utah, United States

Key people

Leland Stanford, Stephen Ambrose

Why it matters

This article provides a detailed and nuanced account of the completion of the transcontinental railroad, including the challenges and obstacles faced by the workers and companies inv...

What was Transcontinental Railroad?

America's first transcontinental railroad (known originally as the "Pacific Railroad" and later as the "Overland Route") was a 1,911-mile (3,075 km) continuous railroad line built between 1863 and 1869 that connected the existing eastern U.S. rail network at Council Bluffs, Iowa, with the Pacific coast at the Oakland Long Wharf on San Francisco Bay. The rail line was built by three private companies over public lands provided by extensive U.S. land grants. Building was financed by both state and U.S. government subsidy bonds as well as by company-issued mortgage bonds. The Western Pacific Railroad Company built 132 miles (212 km) of track from the road's western terminus at Alameda/Oakland to Sacramento, California.

Transcontinental Railroad
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Background and consequences

The Central Pacific Railroad Company of California (CPRR) constructed 690 miles (1,110 km) east from Sacramento to Promontory Summit, Utah Territory. The Union Pacific Railroad (UPRR) built 1,085 miles (1,746 km) from the road's eastern terminus at the Missouri River settlements of Council Bluffs and Omaha, Nebraska, westward to Promontory Summit.

Title page of Dr. Hartwell Carver's 1847 Pacific Railroad proposal to Congress from Lake Michigan to the West Coast
Title page of Dr. Hartwell Carver's 1847 Pacific Railroad proposal to Congress from Lake Michigan to the West Coast
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Related on thisDay

Transcontinental Railroad Completion Launch — May 10, 1869

1,900 miles of track unite east and west as Leland Stanford drives the Golden Spike in 1869 at Promontory Summit, Utah, transforming America's landscape…

Use the dated article for the day-specific account; use these references to check the event record and explore its wider historical context.

Date article: Transcontinental Railroad Completion Launch — May 10, 1869Wikipedia source
Cite this page
MLA

“Transcontinental Railroad.” thisDay, thisday.info/history/transcontinental-railroad/. Accessed 19 Oct. 2026.

APA

Transcontinental Railroad. (n.d.). thisDay. Retrieved October 19, 2026, from https://thisday.info/history/transcontinental-railroad/

Chicago

“Transcontinental Railroad.” thisDay. Accessed October 19, 2026. https://thisday.info/history/transcontinental-railroad/.

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