ATSF
| Atchison Topeka & Santa Fe | 3 |
BN
| Burlington Northern | 3 |
BNSF
| BNSF Railway | 113 |
CNW
| Chicago & Northwestern | 2 |
CR
| Conrail | 1 |
CSX
| CSX Railroad | 34 |
GACX
| General American Marks Company | 5 |
GNWR
| Genesee and Wyoming Railroad Company | 58 |
KCS
| Kansas City Southern | 11 |
NS
| Norfolk Southern | 28 |
NYC
| New York Central | 1 |
SOO
| Soo Line | 5 |
SOU
| Southern | 88 |
TR
| Tomahawk Railway L.P. | 3 |
WC
| Wisconsin Central | 134 |