| Station | Location | Railroad |
|---|---|---|
| Aetna Mills | Watertown, Massachusetts | Fitchburg Railroad Company |
| Bemis | Watertown, Massachusetts | Boston and Maine Corporation Boston and Maine Railroad |
| Bemis and Aetna Mills | Watertown, Massachusetts | Fitchburg Railroad Company |
| East Watertown | Watertown, Massachusetts | Boston and Maine Railroad Fitchburg Railroad Company |
| Union Market | Watertown, Massachusetts | Boston and Maine Corporation Boston and Maine Railroad Fitchburg Railroad Company |
| Watertown | Watertown, Massachusetts | Boston and Maine Railroad Fitchburg Railroad Company |
| West Watertown | Watertown, Massachusetts | Boston and Maine Corporation Boston and Maine Railroad |