Since its foundation in 1881, Chile's state-owned railway company Empresa de los Ferrocarriles del Estado (EFE) is engaged in the local development, maintenance and operation of rail infrastructure and services. The firm has three business lines: passenger transport services, cargo transport services and real estate. EFE operates through its subsidiaries Metro Regional de Valparaíso (Merval), which transports people in the municipalities of Valparaiso, Viña del Mar, Quilpué, Villa Alemana and Limache; Trenes Metropolitanos, which runs from Santiago to Chillán; and Fesub, which operates in regions Biobio (VIII) and La Araucania (IX) through its services Biotren, Corto Laja, and Victoria-Temuco. The company also manages the Arica-Visviri tranche of the Arica-La Paz rail line. The cargo transport business is conducted through units Fepasa and Transap, which mainly transport forestry, industrial and mining products; while its subsidiary Inmobiliaria Nueva Vía manages the company's real estate assets. EFE is involved in the development of new lines and stations for its Rancagua Xpress service, which runs between Santiago and Rancagua; the extension of the Biotren urban cargo and commuter railway system to the city of Coronel, in Biobio region; and the development of commuter and cargo rail lines between Santiago and Melipilla.