| Abbreviation | Definition |
|---|---|
| NVOC | Nonvessel Owning Carrier |
| NVPO | Nuclear Vehicle Projects Office |
| NVPS | National Vehicle Protection Services |
| NVR | National Vehicle Register |
| NVTC | Northern Virginia Transportation Commission |
| NVTC | Northport Vehicle Terminal Centre |
| NVTT | Napa Valley Tours and Transportation |
| NVU | New Vision Ultra |
| NVW | Net Vehicle Weight |
| NWC | Nissan Wheelers Of Colorado |
| NWD | Northwestern Division |
| NWFB | New World First Bus |
| NWOT | New With Out Tags |
| NWRA | National Wheel and Rim Association |
| NYAS | New York Airport Service |
| NYCS | New York City Subway |
| NYCT | New York City Transit |
| NYK | Nippon Yusen Kaisha Line |
| NYM | New York Metro |
| NYMT | New York Museum of Transportation |