official railroad reporting marks but abbreviations I used to label the gif files. the
| ACL | Railroad Companies |
| ATSF | AGWAY |
|
ASRY |
National Railroad Passenger Corporation (Amtrak) |
| ALM | Alcoa in Jamaica |
| AKDN | Albany Port Railroad |
|
ABB |
Atlantic and Western Railway |
| APN | Ashtabula Carson Jefferson Railroad Company Incorporated |
|
ATLX |
American Steel Foundry |
|
ACWR |
Alabama & Florida Railway Company |
| APRR | Atlas Machine and Iron Works Incorporated |
|
AGTX |
Ashley, Drew & Northern Railway Company |
| AM | Allied Signal Corporation |
|
ADM |
American Agriculture Chemical Company |
| AGRI | Atlanta & Saint Andrews Bay |
| ALS | Aberdeen Carolina & Western Railway |
|
ARMD |
Angelina & Neches River Railroad Company |
|
AT |
Apalachicola Northern Railroad |
|
Home |
Aluminum Company of America (Squaw Valley Coal) |
|
APNC |
A. E. Staley Manufacturing Company |
| AT&L | AMAX Coal Company |
| ALCO | Ann Arbor Railroad |
|
AGR |
Apalachicola Northern Railroad |
|
ARZC |
Alabama & Gulf Coast Railway |
| AMTK | Arkansas & Louisiana Missouri Railway Company |
| ACY | Associated Electric Cooperative Incorporated |
| ADBF | Algoma Central Railway |
| ARR | Arkansas Midland Railroad |
| ARCO | Alameda Belt Line |
| ADN | Arkansas & Missouri Railroad |
| AHMSA | Adirondack Scenic Railroad |
| ATL | Allegheny Valley Railroad Company |
|
AMAX |
Atchison, Topeka & Santa Fe Railway |
|
ABL |
Atlantic Coast Line |
| ASCX | Arizona & California Railroad Company |
|
ACJ |
Appanoose County Community Railroad |
|
AOCX |
Altos Hornos de Mexico, S.A. |
| ASRR | Acadiana Railway Company |
|
APA |
Akron Barberton Belt Railroad Company The following abbreviations are not necessarily |
|
AMC |
Aliquippa & Southern Railroad Company |
| AES | Alaska Railroad |
| ARC | Agence metropolitaine de transport |
|
ALQS |
Aberdeen & Rockfish Railroad Company |
| AAX | Alexander Railroad Company |
| ARCH | AGWAY Corporation |
| AESX | Avtex Fibers |
| ARMCO | Auto-Train |
|
ANR |
American Locomotive Company |
| AA | Apache Railway Company |
|
APN |
Archer Daniels Midland |
|
ACE |
Adrian & Blissfield Rail Road Company |
| AW | Albany and Northern |
|
AC |
Amador Central Railroad Company |
| AF | Armco Steel Corporation |
| AR | Alstom Canada Incorporated |
| APRA | Alton & Southern Railroad |
|
ASI |
AmeriGas Propane L.P. |
|
AVR |
Abbreviations |
|
AN |
Agrico |
| ASAB | Alberta Pioneer Railway Association |
|
ATW |
Akron, Canton & Youngstown Railroad |
|
AUNW |
Ashland Railway Incorporated |
|
AVFR |
Austin & Northwestern Railroad |
| ARMX | Abbreviations |
|
AMT |
Altamont Commuter Express |
|
AJ |