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