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.
Northern Subdivision (CSX) The Northern Subdivision is a railroad line owned by CSX Transportation in the U.S. States of Kentucky and Ohio. The line runs from Greenup, Kentucky to Columbus, Ohio for a total of 106.4 mi . At its south end the line continues north from the Russell Subdivision and at its north end the line continues north as the Columbus Subdivision of the Great Lakes Division.