Railroads & Locomotives History Year-by-year, a timeline of completing the Transcontinental Railroad

Year-by-year, a timeline of completing the Transcontinental Railroad

By Angela Cotey | March 19, 2019

| Last updated on November 23, 2020


Get the basics for what happened and when before, during, and after the construction of the Transcontinental Railroad

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Timeline Union Pacific transcontinenta lrailroad building Archer Wyoming
Union Pacific trains and ocvered wagons congregate near the end of track at Archer, Wyo., in 1867 during construction westward.
Union Pacific

1832: Proponents call for transcontinental railroad

1845: New England merchant and traveler, Asa Whitney begins advocacy for Pacific Railroad

1853: Congress appropriates $150,000 for survey of five routes

1855-1860: 12 volumes of findings prepared for four feasible routes

1861: Central Pacific incorporated in California

July 1862: President Abraham Lincoln signs the Pacific Railroad Act

August 1862: First meeting of Union Pacific commissioners in Chicago

1863: Union Pacific incorporated in New York

1869: First transcontinental railroad completed

1872: Credit Mobilier of America — the independent construction company hired to build the Union Pacific form Council Bluffs, Iowa, to Ogden, Utah — scandal breaks

1887: Pacific Railroad Commission investigates the Pacific Railroad

1888: Commission investigation shows $23.3 million in fraud ($1.17 billion today)

1897: Union Pacific reorganized and rechartered

Interested in learning more about the history of the Transcontinental Railroad? You’ll find it in our special issue, available online.

Timeline Union Pacific 1000 mile tree track construction
The 1,000-mile tree, marking westward progress of the construction crews, was noted in Utah’s Weber Canyon.
Union Pacific

One thought on “Year-by-year, a timeline of completing the Transcontinental Railroad

  1. Did not realize CP was incorporated before UP, always seems like UP dominated the news or more written about them. Glad they had photographers along for the construction, lots of cool pics were taken, never to be repeated.

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