| Montana RailLink (former Northern Pacific) | |||
| GRS Co. Style 2A (base of mast mechanism) upper quadrant | |||
| Location | Signal number | East (E) or West (W) Paired signals (-P) | RR location/ Nearest Town |
| Removed 3/31/98 | |||
| 113.8 | E | Kootenai | |
| 112.3 | W-P | Culver | |
| 112.2 | E-P | Culver | |
| 110.3 | W-P | Culver | |
| 110.2 | E-P | Culver | |
| 107.9 | W-P | Pack River Fill | |
| 107.8 | E-P | Pack River Fill | |
| 105.7 | W | Trestle Creek |