Montana Southern Railway was created in 1917.
Montana Central Railway ended in 1907.
Tidewater Southern Railway ended in 1987.
Charleston Southern Railway ended in 1915.
Pittsburgh Southern Railway ended in 1884.
Washington Southern Railway ended in 1920.
Columbus Southern Railway ended in 1896.
Columbia Southern Railway ended in 1910.
Abbeville Southern Railway ended in 1893.
Elkhorn Southern Railway ended in 1911.
Allegheny Southern Railway ended in 1984.
Southern Railway - U.S. - ended in 1990.