Interests behind the Delaware, Lackawanna and Western Railroad, a Pennsylvania company, established the Warren Railroad in 1851 to construct a railway line from the Delaware Water Gap to Hampton, New Jersey.

[1] The full line opened on May 26, 1858, enabling through service between Scranton and Elizabethport, New Jersey.

[3] The Morris and Essex Railroad extended its main line west from Hackettstown to Phillipsburg in November 1865, crossing the Warren Railroad's line at Washington.

[5] With the lease, the Morris and Essex's main line replaced the Central Railroad of New Jersey as the Lackawanna's outlet to New York, and the importance of the Warren Railroad's line between Washington and Hampton lessened.

[8] The Interstate Commerce Commission granted the Lackawanna permission to abandon the line on July 11, 1958.