Who governs the size classification of Caldwell County Railroad?
Railroad classes In the United States, railroads are designated as Class I, II, or III, according to size criteria first established by the Interstate Commerce Commission (ICC) in 1911, and now governed by the Surface Transportation Board.
Dakota Northern Railroad The Dakota Northern Railroad (reporting mark DN) is a Class III short line railroad that operates over 72 miles (116 kilometres) of track in the northeastern portion of the U.S. state of North Dakota.