Liste der verwendeten Abkürzungen für Bahnverwaltungen
Vereinigte Staaten von Amerika
| Kürzel | Bahnverwaltung |
| OAE | Oakland, Antioch & Eastern |
| OAR | Old Augusta Railroad |
| OBPA | Ogdensburg Bridge & Port Authority |
| OCE | Oregon, California & Eastern Railway Co. [Weyerhaeuser] |
| OCEX | Oregon Coastline Express |
| OCFX | == CSXT |
| OCR | Oklahoma Central Railroad Company |
| OCRR | Ottumwa Connecting Railroad |
| OCS | Ohio Central System |
| OCSR | Oregon Coast Scenic Railroad |
| OCT | Orange County Transit |
| OCTL | Oil Creek & Titusville Lines, Inc. |
| OCTR | Octoraro Railway Inc. |
| OCW | Ocean City Western (1977++) |
| ODRM | Old Dominion Chapter NRHS |
| OE | Oregon Eastern [WYCO] |
| OER | Oregon Electric Railway (--> SPS) |
| OERM | Orange Empire Railway Museum, Perris CA (--> SCRM) |
| OERR | Oregon Eastern Railroad |
| OFOX | Residco |
| OFSX | Tucson Electric Power Co. |
| OGEE | Ogeechee Railway Co. (2004 --> Georgia Midland) |
| OGEX | Oklahoma Gas & Electric Co. |
| OGSX | Iowa Southern Utilities Co. |
| OHCR | Ohio Central Railroad Co. (1994 --> OCS) |
| OHFX | Fluor Daniel Fernald |
| OHIC | Ohi-Rail Corporation |
| OHIO | Ohio Terminal Railway [Carload Express] |
| OHK | O.H. Kruse Grain & Milling, Pixley CA |
| OHPA | Ohio & Pennsylvania Railroad |
| OHPS | Ohio Public Service Co. |
| OHRY | Owego & Hartford Railway, Inc. |
| OIM | Oliver Iron Mining Co. |
| OJGX | Oscar J. Glover (Glover Group) |
| OKCX | == LCEX |
| OKKT | Oklahoma, Kansas & Texas (--> UP) |
| OKRX | Oklahoma Railway Museum |
| OLB | Omaha, Lincoln & Beatrice Railway Co. |
| OLCX | Oakway Leasing Corporation |
| OLWX | Ohio Locomotive Works L.L.C. |
| OLYR | Olympic Railroad Co. |
| OMAX | Omaha Public Power District |
| OMID | Ontario Midland Railroad Corp. |
| OMLX | OmniTrax Leasing |
| OMR | Ozark Mountain Railroad |
| OMRR | Ohio & Morenci |
| ON | Okmulgee Northern (1964+) |
| ONCT | Ontario Central Railroad Corp. (7.2007 --> FGLK) |
| ONRY | Ogdensburg & Norwood Railway |
| ONW | Oregon & Northwestern |
| ONWX | Orlando & Northwestern Railway |
| OPE | Oregon Pacific & Eastern Railway Co. |
| OPPX | == OMAX |
| OPR | Oregon Pacific (ex Molalla Western) [Dick Samuels] |
| OPSX | Public Service Co. of Oklahoma |
| OPT | Orange Port Terminal Railway |
| OPX | Ohio Power Co. |
| OR | Oshawa Railway |
| ORHS | Orrville Railroad Heritage Society, Orrville OH |
| ORL | Oahu Railway & Land Company |
| ORMX | Ohio Railway Museum |
| ORR | Osage Railroad Co. [WATCO] |
| ORRX | Oregon Department of Transportation |
| ORT | Ohio River Terminal, Huntington WV |
| OSRR | Ohio Southern Railroad Co.. (1994 --> OCS) |
| OSSX | OmniTRAX Switching Service |
| OTCO | Owensville Terminal Company |
| OTR | Oakland Terminal Railway |
| OTRX | OmniTrax |
| OTSX | On-Track Railway Services Ltd. |
| OTT | Ottumwa Terminal Railroad Company |
| OTVR | Otter Tail Valley Railroad Co. |
| OUCH | Ouachita Railroad, El Dorado AR [DR] |
| OUCX | Orlando Utilities Commission, FL |
| OURD | Ogden Union Railway & Depot |
| OV | Otter Valley Railroad Co. |
| OVRR | Ozark Valley Railroad Inc. |
| OW | Oneida & Western |
| OYLO | Olympia and Belmore Railroad |
Letzte Aktualisierung am 09.05.2024