Guam Highway 16 is one of the primary automobile highways in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 territory of Guam

Guam

Guam is an organized, unincorporated territory of the United States located in the western Pacific Ocean. It is one of five U.S. territories with an established civilian government. Guam is listed as one of 16 Non-Self-Governing Territories by the Special Committee on Decolonization of the United...

.

Route description

GH-16 serves as one of the chief routes of the island's central plateau

Plateau

In geology and earth science, a plateau , also called a high plain or tableland, is an area of highland, usually consisting of relatively flat terrain. A highly eroded plateau is called a dissected plateau...

 (and named Army Drive), splitting off from GH-8

Guam Highway 8

Guam Highway 8 is one of the primary automobile highways in the United States territory of Guam.-Route description:The route is one of the more important highways in the island and is designated the Purple Heart Highway...

 in Barrigada

Barrigada, Guam

Barrigada is a village in central Guam. A largely residential municipality, its main village is located south of the Antonio B. Won Pat International Airport near the intersections of Routes 8, 10, and 16...

 and turning northeast, skirting around the eastern reaches of Tiyan (formerly Naval Air Station Guam) and the neighboring Antonio B. Won Pat International Airport

Antonio B. Won Pat International Airport

Antonio B. Won Pat International Airport , also known as Guam International Airport, is an airport located in Tamuning and Barrigada, three miles east of the capital city of Hagåtña in the U.S. territory of Guam. It is named for Antonio Borja Won Pat, the first delegate from Guam to the United...

, eventually reaching a unique feature on Guam roads—an interchange

Interchange (road)

In the field of road transport, an interchange is a road junction that typically uses grade separation, and one or more ramps, to permit traffic on at least one highway to pass through the junction without directly crossing any other traffic stream. It differs from a standard intersection, at which...

. This diamond interchange

Diamond interchange

A diamond interchange is a common type of road junction, used where a freeway crosses a minor road. The freeway itself is grade-separated from the minor road, one crossing the other over a bridge...

 is with GH-10A

Guam Highway 10A

Guam Highway 10A is one of the primary automobile highways in the United States territory of Guam.-Route description:GH-10A is one of a number of orphaned suffixed routes on Guam; it bears no physical connection to its supposed parent, GH-10: located elsewhere in Barrigada...

 which heads west back towards the airport's terminals. From the interchange, GH-16 hugs the edge of the plateau, overlooking the Harmon Industrial Park, before turning north-northeast, descending, and forming the border between the communities of Tamuning

Tamuning, Guam

Tamuning, also known as Tamuning-Tumon-Harmon is a municipality or "village" located on the western shore of the island of Guam. The village of Tamuning can be viewed as the economic center of Guam, containing Tumon , Harmon Industrial Park, and commercial districts in other parts of the...

 (on the west) and Dededo

Dededo, Guam

Dededo is the most populated village of the United States territory of Guam. According to the U.S. Census Bureau, Dededo's population was just under 45,000 in 2010. The village is located on the coral plateau of Northern Guam.- Etymology :...

 (on the east). GH-16 intersects GH-27 and GH-27A before reaching Micronesia Mall

Micronesia Mall

Micronesia Mall, located in Dededo at the intersection of Guam Highways 1 and 16, is the largest shopping center in the Western Pacific on the tropical island of Guam....

 and ending at a T-intersection with GH-1

Guam Highway 1

Guam Highway 1, also known as Marine Corps Drive, is one of the primary automobile routes in the United States territory of Guam. It runs in a southwest to northeast direction, from the main gate of Naval Base Guam in the western community of Santa Rita in a general northeasterly direction to the...

, alongside the mall and still on the Tamuning/Dededo border.

Major intersections

Location	Mile	Destination	Notes
Barrigada Barrigada, Guam Barrigada is a village in central Guam. A largely residential municipality, its main village is located south of the Antonio B. Won Pat International Airport near the intersections of Routes 8, 10, and 16...			Southern terminus
			Guam's sole interchange
Dededo Dededo, Guam Dededo is the most populated village of the United States territory of Guam. According to the U.S. Census Bureau, Dededo's population was just under 45,000 in 2010. The village is located on the coral plateau of Northern Guam.- Etymology :...
Tamuning Tamuning, Guam Tamuning, also known as Tamuning-Tumon-Harmon is a municipality or "village" located on the western shore of the island of Guam. The village of Tamuning can be viewed as the economic center of Guam, containing Tumon , Harmon Industrial Park, and commercial districts in other parts of the... –Dededo Dededo, Guam Dededo is the most populated village of the United States territory of Guam. According to the U.S. Census Bureau, Dededo's population was just under 45,000 in 2010. The village is located on the coral plateau of Northern Guam.- Etymology :...			Northern terminus