Biotren is a Chilean commuter rail service owned by Empresa de los Ferrocarriles del Estado and operated by Ferrocarriles del Sur.
1999-2004[]
2004-2014[]
2014-2015[]
2015-present[]
| Subsidiaries EFE Central (Metrotren - Terrasur) | EFE Valparaíso (Metro Valparaíso) | EFE Sur (Biotren) | EFE Arica
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