| Guam Highway 1 | ||||
|---|---|---|---|---|
| Marine Corps Drive | ||||
|   GH-1 highlighted in red | ||||
| Route information | ||||
| Maintained by Guam DPW | ||||
| Length: | 21.04 mi (33.86 km) | |||
| Existed: | c. 1941 – present | |||
| Major junctions | ||||
| West end: |  GH-2A / Entrance Gate to Naval Base Guam in Santa Rita | |||
| 
  GH-3 in Dededo | ||||
| East end: |  GH-9 / Entrance Gate to Andersen AFB in Yigo | |||
| Highway system | ||||
| 
 | ||||
 GH-18 in Piti
GH-18 in Piti GH-6 in Asan
GH-6 in Asan GH-4 in Hagåtña
GH-4 in Hagåtña GH-8 in Hagåtña
GH-8 in Hagåtña GH-16 in Tamuning
GH-16 in Tamuning