ANR
| Angelina and Neches River Railroad | 1 |
AOK
| Arkansas-Oklahoma Railroad | 10 |
BAYL
| Bay Line, LLC | 3 |
BNSF
| BNSF Railway | 2 |
CIBX
| CIT Group/Capital Finance, Inc | 1 |
CIC
| Cedar Rapids & Iowa City | 1 |
CMQ
| CENTRAL MAINE & QUEBEC RAILWAY | 2 |
CNA
| Canadian National Railways | 11 |
CNW
| Chicago & Northwestern | 1 |
COER
| Crab Orchard & Egyptian | 15 |
CSX
| CSX Railroad | 51 |
CTR
| Clinton Terminal Railroad Company | 1 |
CV
| Central Vermont | 1 |
DWC
| Canadian National Railways | 2 |
IANR
| Iowa Northern Ry | 3 |
KCS
| Kansas City Southern | 8 |
NRI
| Nebkota Railway Incorporated | 1 |
NS
| Norfolk Southern | 2 |
PMRX
| Progress Metal Reclamation Company | 1 |
TR
| Tomahawk Railway L.P. | 1 |
WC
| Wisconsin Central | 3 |