| Abbreviation | Definition |
|---|---|
| ITCC | Iowa Transportation Coordination Council |
| ITD | Idaho Transportation Department |
| ITD | itiative Transportation and Development |
| ITDP | Institute for Transportation and Development policy |
| ITDP | Institute of Transportation and Development Policy |
| ITE | Institute of Transportation Engineers |
| ITE | The Institute Of Transportation Engineers |
| ITF | International Transport Federation |
| ITIC | International Transportation Innovation Center |
| ITIN | Itinerary |
| ITIO | Inventory Transportation Integrated Optimization |
| ITIP | Idaho Transportation Investment Program |
| ITIP | Interregional Transportation Improvement Program |
| ITITS | Information Technology and Intelligent Transportation Systems |
| ITLC | Intelligent Traffic Light Control |
| ITLCS | Intelligent Traffic Light Control System |
| ITM | Indiana Transportation Museum |
| ITM | Intelligent Traffic Management |
| ITMA | International Transportation Management Association |
| ITMP | Integrated Transportation Master Plan |