AMTK
| Amtrak | 1 |
AMTL
| Agence métropolitaine de transport | 1 |
BM
| Boston & Maine | 2 |
CN
| Canadian National Railways | 55 |
CNGU
| Sicng (Ind. Chim. Du Nord de la Grece S.A.) | 1 |
CNO
| CNO | 1 |
CP
| Canadian Pacific Railway | 22 |
CSX
| CSX Railroad | 3 |
DOTX
| USDOT/Federal Railroad Administration | 5 |
INLX
| Incoal Company | 13 |
MHWA
| Mohawk Adirondack and Northern Railroad | 2 |
NS
| Norfolk Southern | 3 |
NW
| Norfolk & Western | 1 |
SRSX
| Sperry Rail Service | 8 |
STL
| STL | 1 |
STLH
| St. Lawrence & Hudson | 2 |
UP
| Union Pacific Railroad Company | 9 |