| Abbreviation | Definition |
|---|---|
| LT | Fixed Light |
| LT | Left Turn |
| LT | Light Touring |
| LT | Light Truck |
| LT | Location Transportation |
| LT | Luxury Tourer |
| LTAA | Logistique et Transport Agro-Alimentaire |
| LTAP | Local Transportation Assistance Program |
| LTC | London Transit Commission (Ontario, Canada) |
| LTCC | London Traffic Control Centre |
| LTCCS | Large Truck Crash Causation Study |
| LTD | Laminated Top Drop |
| LTDA | Licensed Taxi Drivers Association |
| LTEC | Luke Transportation Engineering Consultants |
| LTF | Less Than Full truckload |
| LTF | Local Transportation Facilities |
| LTF | Local Transportation Fund |
| LTFRB | Land Transportation Franchising and Regulatory Board (Philippines) |
| LTFRB | Land Transportation Franchising Regulatory Board (Philippines) |
| LTG | Lassiter Transportation Group |