BM
| Boston & Maine | 2 |
CNQ
| Canadian National Railway | 2 |
CPT
| Canadian Pacific Railway | 4 |
CSXE
| CSX Transportation Incorporated | 7 |
IC
| Illinois Central | 1 |
NHN
| New Hampshire Northcoast Corporation | 1 |
NS
| Norfolk Southern | 15 |
ST
| Springfield Terminal | 6 |
UPRQ
| Union Pacific Railroad Company | 1 |