| Abbreviation | Definition |
|---|---|
| OTS | OuT of Service |
| OTS | Oxford Traffic Strategy |
| OTSR | Office of Transportation Security Redress |
| OTV | Orbital Test Vehicle |
| OUG | Orange Urethane, Giant wheel chocks |
| OULAK | In ancient Balochi language this word is used for transportation |
| OUU | Over/ Under Unit |
| OV | Orbiting Vehicle |
| OVAL | Overall |
| OVC | Off Vehicle Charging |
| OVH | Overall Vehicle Height |
| OVI | Operating a Vehicle Impaired |
| OVI | Operating Vehicle Impaired |
| OVIS | Online Vehicle Information System |
| OVL | Oxford Vehicle Leasing |
| OVS | Optimized Vehicle Scheduling |
| OVSC | Office of Vehicle Safety Compliance |
| OVSP | Overweight Vehicle Special Permit |
| OVT | Online Vehicle Tracking |
| OW | One Way |