AR
| Aberdeen and Rockfish | 4 |
CSX
| CSX Railroad | 2 |
KRL
| Kasgro Rail Lines | 1 |
MCVX
| Massuchusetts Call/Volunteer Firefighters Assoc. | 1 |
NS
| Norfolk Southern | 4 |
NW
| Norfolk & Western | 1 |
NYC
| New York Central | 1 |
SAL
| Seaboard Air Line | 2 |
SCL
| Seaboard Coast Line | 1 |
SOU
| Southern | 1 |
WSSB
| WSSB | 2 |