| Abbreviation | Definition |
|---|---|
| CDL | Commercial Drivers License |
| CDLIS | Commercial Driver's License Information System |
| CDM | Congestion/Demand Management |
| CDM | Corolla Drift Machine |
| CDOT | Charlotte Department of Transportation |
| CDOT | Charlotte Department of Transportation's |
| CDOT | Chicago Department of Transportation |
| CDOT | Colorado Department Of Transportation |
| CDOT | Colorado Department of Transportation's |
| CDOT | Connecticut Department Of Transportation |
| CDR | Coded Departure Routes |
| CDRP | Commercial Driver Registration Program |
| CDRS | Certified Driver Rehabilitation Specialist |
| CDS | Computer Distribution System |
| CDS | Crashworthiness Data System |
| CDT | Controlled Departure Time |
| CDTC | Capital District Transportation Committee |
| CDTI | Cockpit Display of Traffic Information |
| CDV | Custom Designed Vehicles |
| CDW | Collision Damage Waiver |