| Abbreviation | Definition |
|---|---|
| ETE | Estimated Time En Route |
| ETG | Executive Transportation Group |
| ETI | Exclusive Transportation for Industry |
| ETMA | Emeryville Transportation Management Association |
| ETMF | East Texas Motor Freight |
| ETMS | Enhanced Traffic Management System |
| ETOPS | Extended Twin-engine OPerationS |
| ETOPS | Extended Twin-Engine Over Water Operations |
| ETR | Express Toll Route |
| ETRR | Export Traffic Release Request |
| ETS | Electronic Traction System |
| ETS | Estimated Time of Sailing |
| ETS | Expect To Sail |
| ETSO | European Technical Standard Order |
| ETTM | Electronic Toll and Traffic Management |
| ETV | Electric Track Vehicle |
| ETV | Electronic Transfer Vehicle |
| ETV | Extra Terrestrial Vehicle |
| ETVS | Enhanced Terminal Voice Switching |
| EUG | Eugene- Springfield Amtrak Station |