Chronology
- 18 October 2007: Line H was inaugurated between Once and Caseros.
- 06 December 2010: The line is extended northbound from Once to Corrientes.
- 4 October 2011: Parque Patricios station opened.
- January 2012: Works in the extension towards Plaza Francia (North) and Nueva Pompeya (South) should begin.
- June 2012: Alleged date for Hospitales station to open to public.
Read more about this topic: Line H (Buenos Aires Metro)