The first stretch of Line 7 was opened in 1984. It has been expanded three more times, the last being in 1988. • December 20, 1984: from
Tacuba to
Auditorio • August 22, 1985: from
Auditorio to
Tacubaya • December 19, 1985: from
Tacubaya to
Barranca del Muerto • November 29, 1988: from
Tacuba to
El Rosario ==Rolling stock==