Importation Abbreviations and Acronyms
- OMVDOdisha Motor Vehicle Department
- ONOperational Navigation
- OOGOut of Gear
- OOPSOutside Operating Pedestrian Sidewalk
- OPSSOperations Safety System
- OPTAOregon Pupil Transportation Association
- OPTLOne Person Test Lane
- OPTPOregon Public Transportation Plan
- OPVOptional Piloted Vehicles
- OQIOutgoing Quality Improvement
- OQROperator Qualification Regulations
- OQTOperator Qualification Testing
- ORAROutdoor Recreation Access Route
- ORATOff Road All Terrain
- ORTPOahu Regional Transportatiqn Plan
- OSOptional Stopxing
- OSDAOceanic System Development and Support
- OSDSOceanic System Development and Support
- OSFOff-Side Front
- OSTOf The Secretary of Transportation
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