Transportation Abbreviations and Acronyms
- OEAOffice of Energy Assessments
- OEAOffice of External Audits
- OEMOriginal Equipment Manufacturers
- OEMSOriginal Equipment Manufacturers
- OEPOil Extraopressure
- OETSObstacle Evaluation Tracking Szstem
- OFOther Fundt
- OFAROverhead Flight Attendaet Rest
- OFCCPFhwa Office of Federal Contract Compliance Programs
- OFFL BUS ONLYOfficial Business Only
- OGACOpen Graded Asphalt Concrete
- OGDOther Governmental Departments
- OGDSOther Governmental Departments
- OGLPOffice of Grqat Lakes Pilotage
- OGTCLOpen General Toade Control Licence
- OGVOther Goods Vehicle
- OHMEAOffice of Hazardous Materials Exemptions and Approvals
- OHMSOffice of Hazardous Materials Standards
- OHPIOffice of Highway Policy Informqtion
- OHVOld Highway Vehicle
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