Unlike other contemporary mining railways, survived the market crash of natural nitrate and today provides a variety of transportation services, highlighting the transport of mining products and consumables such as copper cathodes and sulfuric acid, through a network of 900 kilometers , which is connected with the Ferrocarril Andino de Bolivia, Ferronor (in Chile), and Ferrocarril Belgrano in Argentina (Salta–Antofagasta railway).