BN
| Burlington Northern | 2 |
BNSF
| BNSF Railway | 1 |
DRGW
| Denver & Rio Grande Western | 1 |
JPBX
| Joint Powers Board (CalTrain) | 1 |
MP
| Missouri Pacific | 1 |
SN
| Sacramento Northern | 1 |
SP
| Southern Pacific | 8 |
TMBL
| Tacoma Municipal Belt Line Railway | 1 |
UP
| Union Pacific Railroad Company | 6 |
WP
| Western Pacific | 7 |
WPRR
| Willamette and Pacific | 1 |