Guam Highway 3
| GH-3 highlighted in red | ||||
| Route information | ||||
| Maintained by Guam Department of Public Works | ||||
| Major junctions | ||||
| South end | GH-1 in Tamuning | |||
| GH-28 in Gugagon | ||||
| North end | GH-3A / GH-9 in Dededo | |||
| Location | ||||
| Country | United States | |||
| Territory | Guam | |||
| Highway system | ||||
| 
 | ||||
Guam Highway 3 (GH-3) is one of the primary automobile highways in the United States territory of Guam.