On December 2, 1865, the Southern Pacific Railroad of California was incorporated in San Francisco. The company’s first formal project was the construction of a rail line from San Francisco to San Diego. Timothy Phelps served as the first president of the Southern Pacific until 1868 when the company was purchased the Big Four (Collis Huntington, Charles Crocker, Leland Stanford, and Mark Hopkins) of the Central Pacific. The Central Pacific-Southern Pacific Railroad played a key role in not only

Southern Pacific steam freight and passenger trains. From the GSVP show "Vintage Steam in the West" https://rfd.video/VintageSteamWest | Steam Giants

Southern Pacific Cab Forward Locomotives in regular service at Mission Tower in Los Angeles and then on an excursion train, teamed up with another locomotive at Caliente, CA. From the Pentrex show "Historic Hot Spots Combo: Railfanning California in the 1950s and Santa Fe’s Pasadena Subdivision" https://rfd.video/HistoricHotSpots | Steam Giants

Great trackside and pacing shot of various Southern Pacific Steam locomotives. From the GSVP show "Southern Pacific Steam in the 1950s" https://rfd.video/SPSteam50 | Steam Giants

While many railroads were primarially using E and F units to haul passenger trains in the late 1960s, The Southern Pacific was using more modern diesels like the SDP45s in these scenes from the Green Frog Productions show "Passenger Trains of the 60s" https://rfd.video/Pass60s | Railfan Depot