| LINE | Full Run | Part Ridden | Part Not Ridden | Comments |
|---|---|---|---|---|
| Red A | Alewife-Ashmont | All | None | |
| Red B | Alewife-Braintree | All | None | |
| Red M | Ashmont-Matappan | All | None | Trolley |
| Green B | Boston College-Government Center | All | None | Trolley |
| Green C | Cleveland Circle-Government Center | All | None | Trolley |
| Green D | Riverside-Somerville | Riverside-Lechmere | Lechmere-Somerville | Trolley |
| Green E | Heath Street-Medford/Tufts | Heath Street-Lechmere | Lechmere-Medford/Tufts | Trolley |
| Blue | Bowdoin-Wonderland | All | None | |
| Orange | Forest Hills-Oak Grove | All | None | |