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Central Pacific Railroad

The Central Pacific Railroad was a railroad company founded in CaliforniaCaliforniaCalifornia is a U.S. state on the Pacific coast; its capital is Sacramento and its largest city is Los Angeles. California was admitted to the Union on September 9, 1850, as the 31st state. Its population at the 2020 Census (April 1, 2020) was 39,538,223, the largest of any state.Open the full entry in 1861 that built the western portion of the first transcontinental railroad in the United StatesUnited StatesThe United States is a federal country in North America made up of 50 states, the District of Columbia as the seat of government, and territories such as Puerto Rico and Guam; its capital is Washington, D.C. The Continental Congress adopted the Declaration of Independence on July 4, 1776. The 2020 census (April 1, 2020) counted a resident population of 331,449,281, and the 435 seats of the House of Representatives are apportioned among the states on the basis of the census.Open the full entry, joining the Union PacificUnion PacificUnion Pacific Corporation is an Omaha-based U.S. railroad holding company whose Union Pacific Railroad runs freight trains in 23 western states. In 2025 it agreed to merge with Norfolk Southern.Open the full entry line at Promontory Summit, Utah Territory, on May 10, 1869. It was leased to the Southern Pacific from 1885 and merged into the Southern Pacific in 1959.

Contents15 sections
Key facts

Theodore Judah’s Route over the Sierra Nevada

In July 1860 the engineer Theodore Judah reached Donner Pass and recognized it as an ideal location for a railroad through the Sierra Nevada. In November that year Judah met Collis P. Huntington, and six men organized as the first board of directors of the Central Pacific Railroad Company.⁠[1]

Founding by the Big Four

The Central Pacific Railroad was incorporated in 1861 by four California merchants later known as the “Big Four”: Collis P. Huntington, Leland Stanford, Mark Hopkins and Charles Crocker. Judah had first conceived and surveyed the line and secured the group’s financial backing. In October 1861 he returned to Washington, D.C., with survey maps to lobby for federal appropriations.⁠[2][3][1]

The Pacific Railway Act

Groundbreaking in Sacramento

On January 8, 1863, Leland Stanford broke ground at the Central Pacific’s ceremony in Sacramento, and track-laying proceeded eastward from there. The company spiked its first rails to ties on October 26 that year. Amid tensions with the board, Judah sailed east in the summer of 1863 to seek new investors; he died in New York City on November 2, 1863.⁠[1][2]

On October 8, 1864, the company became the Central Pacific Railroad of California.⁠[3]

1865 onward: Hiring Chinese Laborers

Managers including Charles Crocker began considering Chinese labor in 1864, and the company first hired an initial group of 50 Chinese workers; in late January 1865 Crocker persuaded construction superintendent James Harvey Strobridge to try Chinese workers. The company went on to hire thousands of Chinese laborers, many recruited from farms in Canton.⁠[5][1][2]

Golden Spike National Historical Park estimates that roughly 10,000 Chinese laborers helped build the railroad and that more than 1,000 died during its construction, though no accurate figure exists; the PBS timeline puts Chinese workers at up to 80 percent of the workforce. They were paid on average 30 percent less than white workers and paid for their own lodging, food, supplies and equipment.⁠[5][1]

Crossing the Sierra Nevada

Bloomer Cut was finished in April 1865, and in late summer that year workers began hand-drilling tunnels in the Sierra Nevada. The company built 15 tunnels through the mountains, including the 1,659-foot Summit Tunnel, which took 16 months and was completed on August 28, 1867. In the winter of 1867 James Howden began making nitroglycerin on site for the Central Pacific.⁠[4][1]

On June 24, 1867, Chinese workers stopped work on a 30-mile section between Cisco and Truckee, California, demanding higher wages, a workday reduced from 11 to 10 hours and shorter shifts in the tunnels. The strike lasted about a week, ending after the company cut off food and supplies to their camps.⁠[5]

Into Nevada and Utah Territory

Ten Miles of Track in One Day

On April 28, 1869, the Central Pacific laid 10 miles and 56 feet of track in a single day, beating the Union Pacific’s record by almost two miles; at least 400 Chinese laborers worked behind the eight Irish track layers.⁠[5]

Meeting at Promontory Summit

On May 10, 1869, the Central Pacific and Union Pacific lines met at Promontory Summit, Utah Territory, completing the first transcontinental railroad in the United States; eight Chinese men moved the final rail into position. The golden spike ceremony began at noon with about 600 people present, and the Central Pacific’s locomotive Jupiter attended. The Central Pacific had built 690 miles of line from Sacramento.⁠[5][4]

Consolidations

In June 1870 the Central Pacific merged with the Western Pacific Railroad, the San Francisco and Alameda Railroad and the San Francisco and Oakland Railroad to form the Central Pacific Railroad Co.; on August 22, 1870, it consolidated with the California & Oregon Railroad, the San Francisco, Oakland & Alameda Railroad and the San Joaquin Valley Railroad to form a new corporation of the same name.⁠[3]

Lease to the Southern Pacific and Reorganization

On March 17, 1884, a new Southern Pacific Company was incorporated under a special KentuckyKentuckyKentucky is a U.S. state bordered by Illinois, Indiana and Ohio to the north, West Virginia and Virginia to the east, Tennessee to the south and Missouri to the west; its capital is Frankfort and its largest city is Louisville. It entered the Union on June 1, 1792, as the 15th state and the first state west of the Appalachian Mountains, and had a population of 4,505,836 in the 2020 census (April 1, 2020).Open the full entry charter to serve as a holding company. On April 1, 1885, the Central Pacific was leased to the Southern Pacific Company. In June 1899 the company was reorganized as the Central Pacific Railway, a name it kept until 1959.⁠[2][3]

Merger into the Southern Pacific

On June 30, 1959, the Central Pacific Railway merged with the Southern Pacific Railroad.⁠[3][6]

Southern Pacific Merges with Union Pacific

On September 11, 1996, the Southern Pacific merged with the Union Pacific.⁠[6]

Related Organizations, Websites, and Public Accounts

Union Pacific: Official website: https://www.up.com/ (opens in a new window).⁠[6]

Golden Spike National Historical Park: Official website: https://www.nps.gov/gosp/ (opens in a new window).⁠[5]

Sources

  1. Transcontinental Railroad Timeline (opens in a new window)
  2. Central Pacific Railroad (opens in a new window)
  3. Inventory of the Central Pacific Railway Records (opens in a new window)
  4. Building America (opens in a new window)
  5. Chinese Labor and the Iron Road (opens in a new window)
  6. Southern Pacific Railroad (opens in a new window)