| Guam Highway 1 | ||||
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| Marine Corps Drive | ||||
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GH-1 highlighted in red
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| Route information | ||||
| Maintained by Guam DPW | ||||
| Length: | 21.04 mi (33.86 km) | |||
| Existed: | c. 1941 – present | |||
| Major junctions | ||||
| West end: |
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| East end: |
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| Highway system | ||||
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GH-18 in Piti
GH-6 in Asan
GH-4 in Hagåtña
GH-8 in Hagåtña
GH-16 in Tamuning