Chilean Central Valley
TerraSur (previously known as EFE Chillán) is a Chilean Inter-city rail service, opened in 2001 between Santiago and Chillán, on the "Chilean Central Valley". It is operated by the "Trenes Regionales Terra S.A.", a subsidiary of the Empresa de los Ferrocarriles del Estado (EFE). Covering almost 400 km in less than 5 hours, it is the fastest public transportation between those cities.