AOK
| Arkansas-Oklahoma Railroad | 1 |
BCOL
| Canadian National Railways | 6 |
BNSF
| BNSF Railway | 2 |
CAGY
| Columbus & Greenville Railway | 1 |
CBRY
| Copper Basin Railway | 1 |
CN
| Canadian National Railways | 7 |
CNA
| Canadian National Railways | 1 |
CNIS
| Canadian National Railways | 3 |
COER
| Crab Orchard & Egyptian | 1 |
CSX
| CSX Railroad | 1 |
DWC
| Canadian National Railways | 8 |
GNRR
| Georgia Northeastern | 1 |
GTW
| Grand Trunk Western | 3 |
HLSC
| Hampton Railway Incorporated | 1 |
IC
| Illinois Central | 3 |
KCS
| Kansas City Southern | 1 |
LMIC
| Lake Michigan & Indiana Railroad | 1 |
MSRC
| Kansas City Southern | 2 |
NOKL
| Northwestern Oklahoma | 4 |
NS
| Norfolk Southern | 21 |
SERA
| Sierra Northern Railway | 1 |
SMW
| St Marys Railway West LLC | 1 |
SOO
| Soo Line | 4 |
TR
| Tomahawk Railway L.P. | 1 |
TTZX
| TTX Company-Centerbeam Flats | 51 |
UP
| Union Pacific Railroad Company | 3 |
WC
| Wisconsin Central | 2 |