| Abbreviation | Definition |
|---|---|
| PCC | Portland Cement Concrete |
| PCCP | Portland Cement Concrete Pavement |
| PCCV | Police Chaos Control Vehicle |
| PCD | Personal Communication Device |
| PCE | Passenger Car Equivalents |
| PCE | Personal Consumption Expenditure |
| PCF | Primary Collision Factor |
| PCH | Pacific Coast Highway |
| PCI | Pure Custom Imports |
| PCMS | Portable Changeable Message Sign |
| PCMSH | Portable Changeable Message Sign Handbook |
| PCP | Pedestrian Cross Passage |
| PCPW | Purchase ParkWay |
| PCS | Panama Canal Surcharge |
| PCS | Pedestrian Crossing Sign |
| PCS | Personal Comfort System |
| PCSV | Protected Combat Support Vehicle |
| PCT | Placer County Transit |
| PCT | Production Car Trial |
| PCT | Production Car Trials |