 The line was temporarily closed for renovation from 26 January to 12 April 2017.As part of network extension plans in the 1970s, the construction of a north-south line along the Castellana-Recoletos-Prado axis originating in Fuencarral and headed toward Madrid Atocha and further to the south was initiated.The southern stretch toward Carabanchel is now the current Line 11.