Ten years later, after the inauguration of the first metro line (1988), the line between Alameda and Avenida del Cid was inaugurated.

In 1999, the 2.4-kilometre tunnel between Avenida del Cid and Mislata was inaugurated.

In 2003, the underground section of the line between Alameda and Ayora was inaugurated.

In 2007, the section between the Maritime-Serrería underground station and the airport (port-airport line) was inaugurated.