Guam Highway 3Guam Highway 3 is one of the primary automobile highways in the United States territory of Guam.Route descriptionIt runs in a south to north direction, from a junction with GH-1 near the Micronesia Mall in the southern community of Tamuning in a general northeasterly direction to the community of Dededo, where it meets GH-3A and GH-9. In between, it passes Naval [Computer and Telecommunications Station Guam] and the newly-established Marine [Corps Base Camp Blaz].Suffixed routeGuam Highway 3A connects GH-3 and GH-9 to Ritidian Point at the northern tip of the island of Guam in Dededo. It is undergoing expansion to accommodate increased activity from the activation of Marine Corps Base [Camp Blaz|Camp Blaz].