| Abbreviation | Definition |
|---|---|
| TM | Traffic Manager |
| TM | Transportation Management |
| TM | Transportation Mobility |
| TMA | Terminal Maneuvring Area |
| TMA | Traffic Management Advisor |
| TMA | Traffic Management Agency |
| TMA | Transportation Management Association |
| TMACC | Transportation Management Association of Chester County |
| TMAP | Thermal Modeling and Analysis Project |
| TMC | Tarp More Cargo |
| TMC | Traffic Message Channel |
| TMC | Transportation Management Center |
| TMCA | Transportation Marketing & Communications Association |
| TMCC | Traffic Management Computer Complex |
| TMD | Traction Maintenance Depot |
| TMD | Traffic Model Demand |
| TMD | Transportation Management Districts |
| TMDD | Traffic Management Data Dictionary |
| TMG | Traffic Monitoring Guide |
| TMIL | Traffic Management Information Letter |