Southern Pacific

Founder	Founder
Founded	1865
Operated	1865 to 1996
Predecessor	Northwestern Pacific Railroad
Predecessor	Northern Railway
Predecessor	...
Disposition	Merged in 1996
Successor	Union Pacific

Southern Pacific has had a presence in Sonoma Valley since it acquired Northern Railway on April 14, 1898. Almost 100 years later, on October 1, 1992, SP acquired the Northwestern Pacific Railroad which had operated and still owned right of ways in the valley since 1907, with roots going back to the earliest railroad in the valley, the Sonoma Valley Prismoidal Railway (1876).

For more information on the lines and depots, please see the following pages:

• Northwestern Pacific Line
  

• Southern Pacific Line

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• Railroads
  

• Southern Pacific