| Abbreviation | Definition |
|---|---|
| CPTC | California Private Transportation Company |
| CPTS | Campus Parking And Transportation Services |
| CPTS | Carilion Patient Transportation Services |
| CPTS | Centre For Packaging Transportation And Storage |
| CPVE | Consolidated Patrol Vehicle Environment |
| CPVI | Commercial Passenger Vehicle Industry |
| CPY | Cargo Preference Year |
| CQ | Car Questions |
| CQAV | Controllerate of Quality Assurance Vehicles |
| CQDMGY | letters of distress flashed from Titanic |
| CR | Circular Railway |
| CR | Country Road |
| CRA | Conflict Resolution Advisory |
| CRAA | Columbus Regional Airport Authority |
| CRAF | Civil Reserve Aircraft Fleet |
| CRASH | Collision Reduction To Achieve Safe Highways |
| CRASH | Crash Reduction And Safe Habits |
| CRAVEN | Cover Recon Arsenal Vehicle Escape North |
| CRB | Country Roads Board |
| CRC | Chemical Rubber Company |