Guam Highway 10A 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-10A is one of a number of orphaned suffixed routes on 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...

; it bears no physical connection to its supposed parent, GH-10

Guam Highway 10

Guam Highway 10 is one of the primary automobile highways in the United States territory of Guam.-Route description:GH-10 begins at a junction off GH-4 a little in from Pago Bay. It trends eastward into the coastal village of Mangilao. GH-32 then spurs off the route towards the University of Guam...

: located elsewhere 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...

. In fact, GH-10A is considered a very important route in its own right, as its primary purpose is to provide access to 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...

. It runs from 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...

 in the resort area 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...

 eastward to GH-16

Guam Highway 16

Guam Highway 16 is one of the primary automobile highways in the United States territory of Guam.-Route description:GH-16 serves as one of the chief routes of the island's central plateau , splitting off from GH-8 in Barrigada and turning northeast, skirting around the eastern reaches of Tiyan ...

 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...

. Although unnumbered, there is a key junction along the route into the Tiyan area that was once Naval Air Station Guam. The intersection provides a further link into Barrigada as well as access to other airport and industrial facilities. The eastern terminus at GH-16 is unique by Guam standards in that it is a grade-separated 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...

 rather than an intersection

Intersection (road)

An intersection is a road junction where two or more roads either meet or cross at grade . An intersection may be 3-way - a T junction or fork, 4-way - a crossroads, or 5-way or more...

. Although the designation ends at GH-16 the road itself continues eastward into Mangilao

Mangilao, Guam

Mangilao is a village on the eastern shore of the United States territory of Guam. The village's population has increased slightly following the island's 2000 census....

, eventually connecting with GH-26

Major intersections

Location	Mile	Destination	Notes
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...			Western terminus
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...			Eastern terminus Guam's sole 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... .