| Abbreviation | Definition |
|---|---|
| TIDS | Tower Integrated Display System |
| TIF | Texas Infrastructure Fund |
| TIF | Transport Innovation Fund |
| TIF | Transportation Impact Fee |
| TIFA | Transportation Infrastructure Financing and |
| TIFA | Trucks in Fatal Accidents |
| TIFA | Trucks Involved In Fatal Accidents |
| TIFIA | Transportation Infrastructure Finance and Innovation Act |
| TIGER | Topological Integrated Geographic Encoding & Referencing |
| TIGER | Transportation Improvements Generating Economic Recovery |
| TIGER | Transportation Infrastructure Generating Economic Recovery |
| TIGER | Transportation Integrating Green Energy Resources |
| TIGER | Transportation Investment Generating Economic Recovery |
| TIH | Travel Information Highway |
| TII | Touring International Injection |
| TII | Transportation Improvement Inventory |
| TIIP | Transportation Infrastructure Investment Plan |
| TIM | Thunder In Muncie |
| TIMS | Train Information Management System |
| TIMS | Transportation Information Management System |