ATW
| Atlantic and Western | 1 |
BCOL
| Canadian National Railways | 1 |
BNSF
| BNSF Railway | 1 |
CN
| Canadian National Railways | 1 |
DWC
| Canadian National Railways | 1 |
NS
| Norfolk Southern | 1 |
SOO
| Soo Line | 3 |
TR
| Tomahawk Railway L.P. | 2 |
TTZX
| TTX Company-Centerbeam Flats | 1 |
WC
| Wisconsin Central | 1 |