When was the Kansas Pacific Railroad completed?
August 1870 KPR completed it's line to Denver. In the 1870s, investors of the Kansas Pacific eventually acquired control of the railorad. On January 24, 1880, the railroad merged with the Kansas Pacific and Union Pacific, with the resulting company retaining the Union Pacific name.
Promontory, Utah was the setting for the connection of the Central Pacific Railroad, originating in Sacramento, California, to the Union Pacific Railroad, running from Omaha, Nebraska, creating what was called the First Transcontinental Railroad (also known as the "Pacific Railroad" and later as the "Overland Route"). The final ceremonial golden spike was driven in on May 10, 1869, a little over six years after construction had begun. The railroad as first completed was not actually…
Union Pacific Railroad built the line westward and the Central Pacific Railroad built the line eastward. The first transcontinental railroad basically connected the east and the west of the United States. Central Pacific Railroad merged with Southern Pacific in 1885 and then Union Pacific bought Southern Pacific in 1996. Union Pacific still operates much of the rail from Central Pacific Railroad and Southern Pacific Railroad.