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 Guam [Highway 1|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 Camp Blaz.