The Gould transcontinental system was a system of railroads assembled by George Jay Gould I and the Fuller Syndicate in the early 1900s. This was Gould's attempt to fulfill a goal of his late father, financier Jay Gould. Due to financial troubles following the Panic of 1907, the system was never completed as a fully transcontinental line.
At its peak the system stretched from San Francisco to Pittsburgh, and comprised the following railroads:
References
Gould transcontinental system Wikipedia(Text) CC BY-SA