Guam Highway 9Guam Highway 9 is one of the primary automobile highways in the United States territory of Guam.Route descriptionThis northern route is a relatively short connector between Guam [Highway 3|GH-3] and GH-1, skirting the southern reaches of Andersen [Air Force Base]. At the western terminus, traffic defaults onto GH-3 heading south back towards Dededo through the Finegayan area while at the eastern terminus, at the main entrance to Andersen AFB, traffic defaults onto GH-1 heading south back into Yigo proper.