Rail transport in Argentina served by train, departing from Constitucion, Once and Retiro terminus located in the centre of Buenos Aires. Some cities currently are: Mar del Plata, Rosario (both stations, Norte and Sur, Córdoba, General Pico, Santa Rosa, Rufino and San Miguel de Tucumán. Other regional services are operated by their respectives Provinces, such as Tren a las Nubes (operated by the Government of Salta) and Servicios Ferroviarios Patagónico (also known as "Tren Patagónico") by the Río Negro Province. Buenos Aires Córdoba Entre Ríos Misiones Patagonia Rosario Salta Tierra del Fuego There are several private freight operators in Argentina, along with the state-owned
Salta–Antofagasta railway diverted to the current one. The line crosses the north-western side of Salta Province, serving the suburban towns around Salta of Cerrillos, Rosario de Lerma and Campo Quijano, following part of the course of the Lerma Valley. It counts two zig zags, at El Alisal and Chorrillos, and two spiral loops between Tacuara and Diego de Almagro. Entering the plateau of Meseta, the railway passes near Santa Rosa de Tastil and the Pre-Inca archaeological site of Tastil. It serves the town of San Antonio de los Cobres, in the middle of the Puna de Atacama, nearby copper mines. After the