| style="padding: 0 1em;"|Map colour | style="padding: 0 1em;"|Opened | style="padding: 0 1em;"|Termini |
| style="text-align:left;"|Line 1 | style="background:#f00; color:#FFF;"|Red | 1926 | Hospital de Bellvitge - Fondo |
| style="text-align:left;"|Line 2 | style="background:#c401b9; color:#FFF;"|Purple | 1995 | Paral.lel - Pep Ventura |
| style="text-align:left;"|Line 3 | style="background:#00af08; color:#FFF;"|Green | 1924 | Zona Universitria - Canyelles |
| style="text-align:left;"|Line 4 | style="background:#e2d729;"|Yellow | 1960s | Trinitat Nova - La Pau |
| style="text-align:left;"|Line 5 | style="background:#534bff; color:#FFF;"|Blue | 1960s | Cornell - Horta |
| style="text-align:left;"|Line 11 | style="background:#81f109"|Light Green | 2003 | Trinitat Nova - Can Cuis |
The three metro-like commuter lines operated by the