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.
Caldwell, Arkansas Caldwell is a city in St. Francis County, Arkansas, United States. The population was 555 at the 2010 census, an increase from 465 in 2000.