| Abbreviation | Definition |
|---|---|
| CTS | Center for Transportation Studies |
| CTS | Central Travel Summary |
| CTS | Commodity Transportation Survey |
| CTS | Compact Touring Sedan |
| CTS | Corporate Transportation Specialist |
| CTS | Cubic Transportation Systems |
| CTSA | Consolidated Transportation Service Agency |
| CTSA | Coordinated Transportation Service Agency |
| CTSB | Canada Transportation Safety Board |
| CTSP | Certified Transportation Safety Professional |
| CTSP | Community Transportation Safety Plan |
| CTT | Clean Transportation Triangle |
| CTTF | Coordinated Transportation Task Force |
| CTTIC | China Transport Telecommunication & Information Center |
| CTTP | Center for Training Transportation Professionals |
| CTTR | Center for Transportation Training and Research |
| CTV | Commercial Towing Vehicle |
| CTV | Crew Transfer Vehicle |
| CTV | Crew Transfer Vessel |
| CTV | Crew Transport Vehicle |