| Abbreviation | Definition |
|---|---|
| GPV | General Purpose Vehicle |
| GPV | General Purpose Vehicles |
| GPV | Gravity Powered Vehicle |
| GPWS | Ground Proximity Warning System |
| GQT | Global Quality Transportation |
| GR | Grande Route |
| GR | Gravel Road |
| GRA | Ground Relay Action |
| GRADE | Graphical Airspace Design Environment |
| GRAIL | Geographic Roadway Application For Information Location |
| GRAM | Gps Receiver Applications Module |
| GREAT | Grundy Rural Expanded Area Transit |
| GREF | General Reserve Engineer Force (India) |
| GRITS | Gulf Region Intelligent Transportation Society |
| GRR | Grand Rapids Amtrak Station |
| GRR | Gravel Road Ride |
| GRR | Kent County International Airport, Grand Rapids, Michigan |
| GRRE | Rehabilitation of Gravel Road or Earth Road to Gravel Road |
| GRS | Get Reservation Status |
| GRSP | Global Road Safety Partnership |