Southern California Railways looks at the operations of some of the many railroads that serve the southern half of the Golden State. These include the passenger operations of Amtrak, Metrolink and San Diego Coaster and the freight operations of the Union Pacific and BNSF Railway as well as some short-line operators. The book shows some of the huge variety of trains and locomotives that ply their trade in the area.

Author Richard Billingsley focuses on the area south of San Luis Obispo and Bakersfield, including Los Angeles and San Diego, as well as the Mojave Desert and Salton Sea and includes 180 stunning images documenting the railway scene.