PSAP Centralia Subdivision
PSAP’s Centralia Subdivision extends 32.4 miles from Centralia to Elma, Washington, on former Northern Pacific trackage.
Radio Channel 91 (161.475)
| MP | Location | Junctions | Latitude, Longitude |
| 0.6 | Centralia | BNSF Seattle Sub | 46.7273, -122.9494 |
| 2.2 | Blakeslee Jct. | Tacoma Rail | 46.7342, -122.9736 |
| 6.8 | Grand Mound | ||
| 10.7 | Rochester | 46.8227, -123.0837 | |
| 28.4 | Gate | 46.8433, -123.1338 | |
| 33.2 | Oakville | 46.8419, -123.2313 | |
| 48.7 | Elma | Harbor Sub, Bangor Sub | 47.0078, -123.4040 |