.svg) Interstate 10 | ||||
|---|---|---|---|---|
| Pearl Harbor Memorial Highway | ||||
 I-10 highlighted in red | ||||
| Route information | ||||
| Maintained by ADOT | ||||
| Length | 391.99 mi[1] (630.85 km) | |||
| Existed | 1960–present | |||
| History | First section completed in 1960; Last section opened in 1990. | |||
| NHS | Entire route | |||
| Major junctions | ||||
| West end |   I-10 / US 95 at California state line near Blythe, CA | |||
| East end |  I-10 at New Mexico state line | |||
| Location | ||||
| Country | United States | |||
| State | Arizona | |||
| Counties | La Paz, Maricopa, Pinal, Pima, Cochise | |||
| Highway system | ||||
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In the U.S. state of Arizona, Interstate 10 (I‑10), the major east–west Interstate Highway in the United States Sun Belt, runs east from California, enters Arizona near the town of Ehrenberg and continues through Phoenix and Tucson and exits at the border with New Mexico near San Simon. The highway also runs through the cities of Casa Grande, Eloy, and Marana. Segments of the highway are referred to as either the Papago Freeway, Inner Loop, or Maricopa Freeway within the Phoenix area and the Pearl Harbor Memorial Highway outside metro Phoenix.
- ^ Transportation Planning Division, Data Bureau (December 31, 2007). "2007 State Highway System Log" (PDF). Arizona Department of Transportation. Retrieved July 16, 2007.