ATSF
| Atchison Topeka & Santa Fe | 1 |
BH
| Bath & Hammondsport | 1 |
BM
| Boston & Maine | 86 |
BN
| Burlington Northern | 1 |
BO
| Baltimore & Ohio | 5 |
BRC
| Belt Railway of Chicago | 1 |
CBQ
| Chicago Burlington & Quincy | 3 |
CDAC
| Canadian American | 2 |
CN
| Canadian National Railways | 3 |
CNJ
| Central Rail Road of New Jersey | 2 |
CNW
| Chicago & Northwestern | 1 |
CP
| Canadian Pacific Railway | 2 |
CR
| Conrail | 9 |
CRIP
| Chicago Rock Island & Pacific | 1 |
CSS
| Chicago South Shore And South Bend | 1 |
DH
| Delaware & Hudson | 53 |
EJE
| Elgin Joliet and Eastern | 3 |
EL
| Erie Lackawanna | 5 |
GJ
| GJ | 1 |
GMO
| Gulf Mobile & Ohio | 2 |
GTW
| Grand Trunk Western | 1 |
IC
| Illinois Central | 1 |
IHB
| Indiana Harbor Belt | 1 |
ISCX
| ISC Incorporated | 1 |
LN
| Louisville & Nashville | 2 |
LV
| Lehigh Valley | 2 |
MEC
| Maine Central | 98 |
MON
| Monon Route | 1 |
NW
| Norfolk & Western | 9 |
NYC
| New York Central | 1 |
NYSW
| New York Susquehanna & Western | 1 |
PC
| Penn Central | 22 |
PLE
| Pittsburgh & Lake Erie | 2 |
RDG
| Reading Railroad | 1 |
SAL
| Seaboard Air Line | 1 |
SCL
| Seaboard Coast Line | 1 |
SOU
| Southern | 1 |
VTR
| Vermont Railway | 1 |
WAG
| Wellsville Addison & Galeton | 1 |