— Line 8, coloured pink (termini: Plaça Espanya – Molí Nou-Ciutat Cooperativa) and operated by FGC, is part of the Barcelona Metro network, and therefore of the  larger ATM fare-integrated transport system.
— Line 8, colored pink (termini: Plaça Espanya – Molí Nou-Ciutat Cooperativa) and operated by FGC, is part of the Barcelona Metro network, and therefore belongs to the larger ATM fare-integrated transport system.