Coast Line (UP)
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The Coast Line of the Union Pacific Railroad is a railroad line stretching from Los Angeles, California north to the San Francisco Bay Area, mostly along the Pacific Coast. In addition to UP freight trains, it also hosts Amtrak Pacific Surfliner and Coast Starlight passenger trains, as well as Metrolink and Caltrain commuter rail. The line was originally completed by the Southern Pacific Railroad on December 31, 1900.