| Station | Location |
|---|---|
| Chelmsford | Chelmsford, Massachusetts |
| Danforth's Corner | Amherst, New Hampshire |
| Little's | Nashua, New Hampshire |
| Lowell | Lowell, Massachusetts |
| Middlesex | Lowell, Massachusetts |
| Nashville | Nashua, New Hampshire |
| South Merrimack | Merrimack, New Hampshire |
| Tyngsborough | Tyngsborough, Massachusetts |