Interstate 17
Interstate Highway in central Arizona / From Wikipedia, the free encyclopedia
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Interstate 17 (I-17) is a north–south Interstate Highway entirely within the US state of Arizona. I-17's southern terminus lies in Phoenix, at I-10/US 60 and its northern terminus is in Flagstaff, at Milton Road north of I-40.[1]
Arizona Veterans Highway | ||||
Route information | ||||
Maintained by ADOT | ||||
Length | 145.93 mi[1] (234.85 km) | |||
Existed | 1957[2]–present | |||
History | Completed in 1978 | |||
NHS | Entire route | |||
Major junctions | ||||
South end | I-10 / US 60 in Phoenix | |||
Major intersections |
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North end | I-40 / SR 89A in Flagstaff | |||
Location | ||||
Country | United States | |||
State | Arizona | |||
Counties | Maricopa, Yavapai, Coconino | |||
Highway system | ||||
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Most of I-17 is known as the Arizona Veterans Highway. In the Phoenix metropolitan area, it is mostly known as the Black Canyon Freeway, however, the southern 4.16 miles (6.69 km) are part of the Maricopa Freeway. The portion of the highway south of Cordes Lakes was built along the alignment of State Route 69 (SR 69), while the northern part was built along old SR 79's alignment. The final section of I-17 was completed in 1978.
I-17 gains more than one mile (1.6 km) in altitude between Phoenix at 1,117 feet (340 m) and Flagstaff at 7,000 feet (2,100 m). The highway features several scenic view exits along its route that overlook the many mountains and valleys in northern Arizona.