AMTK
| Amtrak | 7 |
CCC
| Cowlitz, Chehalis, and Cascade Railway | 1 |
CP
| Canadian Pacific Railway | 2 |
CR
| Conrail | 1 |
CSX
| CSX Railroad | 1 |
DL
| Delaware-Lackawanna Railroad Company | 1 |
LIRR
| Long Island Railroad | 1 |
NS
| Norfolk Southern | 1 |
NYC
| New York Central | 1 |
SLR
| St Lawrence & Atlantic | 1 |
ST
| Springfield Terminal | 2 |
UP
| Union Pacific Railroad Company | 2 |