| Line B | |
| Type: | Commuter rail |
| Status: | Operational |
| Locale: | Province of Turin |
| First: | 9 June 2013 |
| Operator: | Trenitalia |
| Start: | Cavallermaggiore |
| Stops: | 3 |
| End: | Bra |
| Stock: | Minuetto |
| Owners: | Turin Metropolitan Railway Service |
Line SFMB is a commuter rail line that is part of the Turin Metropolitan Railway Service, and links Cavallermaggiore to Bra.
The line was opened on 9 June 2013.[1]