| Abbreviation | Definition |
|---|---|
| TBCA | Transportation Brokers Conference of America |
| TBH | The Blue Highway |
| TBI | Throtle Body Injected |
| TBI | Throttle Body Injection |
| TBIT | Tom Bradley International Terminal |
| TBL | Triple Bottom Line |
| TBOC | Transportation Bond Oversight Committee |
| T-Boned | Get hit broadsided |
| TBQ | Trikes, Bikes, And Quads |
| TBS | Talk Between Ships |
| TBSA | Transportation Brokers Service Association |
| TBT | Tunnels, Bridges, and Terminals |
| TBTA | Triborough Bridge and Tunnel Authority |
| TBTP | Thinking Beyond the Pavement |
| TBU | Tie Bar Unit |
| TBUG | Toowoomba Bicycle Users Group |
| TC | Tariff Class |
| TC | Tercel Coupe |
| TC | Tilling Croydon |
| TC | Tire Chalked |