| Station | Location | Railroad |
|---|---|---|
| East Groton | Groton | Concord Railroad Corporation |
| East Groton | Groton | The Concord & Montreal Railroad |
| East Groton | Groton | Boston and Maine Railroad |
| Groton | Groton | Boston and Maine Railroad |
| Groton | Groton | Boston and Maine Corporation |
| Groton Centre | Groton | Worcester and Nashua Railroad Company |
| Groton Centre | Groton | Worcester, Nashua and Rochester Railroad Company |
| Newell | Groton | Boston and Maine Railroad |
| Vose | Groton | Boston and Maine Railroad |
| West Groton | Groton | Fitchburg Railroad Company |
| West Groton | Groton | Boston and Maine Railroad |