U.S. Route 160 in Arizona

U.S. Route 160 marker
U.S. Route 160
Navajo Trail
Map
US 160 highlighted in red
Route information
Maintained by ADOT
Length159.35 mi[1] (256.45 km)
ExistedJune 29, 1970 (1970-06-29)–present
HistoryDesignated as US 164 from 1965 to 1970
Major junctions
West end US 89 near Cameron
Major intersections
East end US 160 at New Mexico state line near Four Corners National Monument
Location
CountryUnited States
StateArizona
CountiesCoconino, Navajo, Apache
Highway system
  • Arizona State Highway System
SR 160US 160 US 164
US 160US 164 SR 166

U.S. Route 160 (US 160), also known as the Navajo Trail, is a U.S. Highway which travels west to east across the Navajo Nation and Northeast Arizona for 159.35 miles (256.45 km). US 160 begins at a junction with US 89 north of Cameron and exits the state into New Mexico south of the Four Corners Monument. Along its journey, the route connects the communities of Tuba City, Moenkopi, Rare Metals, Tonalea, Tsegi, Kayenta, Dennehotso, Mexican Water, Red Mesa, and Teec Nos Pos.

Most of what is now US 160 was constructed as Navajo Route 1 between 1959 and 1962, and carried part of State Route 64 (SR 64) and the entirety of SR 364 between 1961 and 1965. From 1965 to 1970, the entire route of present day US 160 was designated as US 164, until US 160 was moved from its original alignment between Utah and Colorado, onto the entirety of US 164 between Arizona and Colorado.

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