| Abbreviation | Definition |
|---|---|
| CTIPS | California Transportation Improvement Program System |
| CTIPS | Comprehensive Transportation Information & Planning System |
| CTIS | Center for Transportation |
| CTL | Center for Transportation Logistics |
| CTL | Commercial Truck Load |
| CTLN | Comprehensive Transportation Logistics Network |
| CTLS | Center for Transportation and Livable Systems |
| CTMA | Center Traffic Management Advisor |
| CTMS | Computerized Transportation Management System |
| CTN | Certified Transportation Network |
| CTN | Community Transportation Network |
| CTN | Cruise To Nowhere |
| CTNC | Chief Trains Clerk |
| CTO | Container Terminal Order |
| CTOC | Citizens Transportation Oversight Committee |
| CTOT | Calculated Take-Off Time |
| CTP | California Transportation Plan |
| CTP | Capital Transportation Plan |
| CTP | Capital Transportation Program |
| CTP | Certified Transportation Planner |