| Line
|
Color
|
Termini
|
Inauguration
|
Length (km)
|
Stations
|
Relation
|
| A |
Orange |
Anagnina ↔ Battistini |
1980 |
18.4 km |
27 |
207973 207973
|
| B/B1 |
Blue |
Laurentina ↔ Rebibbia/Jonio |
1955 |
22.9 km |
26 |
207926 207926
|
| C |
Green |
Montecompatri/Pantano ↔ Colosseo |
2014 |
21.2 km |
24 |
4173958 4173958
|