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US 70 Shield

US 70

In Arizona, US 70 runs from US 60 in Globe to the New Mexico state line. US 70 used to be a major cross-country highway that was cut short by Interstates and a redundant concurrency with US 60 from Globe to Los Angeles.

Length: 2,381 miles in total, 122 miles in Arizona
Existed since: 1926 nationally, 1935 in Arizona
Current Route in Arizona: US 60 in Globe to New Mexico state line near Franklin
1st Historical Route in Arizona: Holbrook to New Mexico state line near Springerville
2nd Historical Route in Arizona: California state line in Ehrenberg to New Mexico state line near Franklin
Current Route Nationally: Globe, AZ to Atlantic, NC
Historical Route Nationally: Los Angeles, CA to Atlantic, NC
Major Junctions: US 60, AZ 77, US 191, AZ 75

Cool Features

US 70 in Arizona is known as The Old West Highway. This designation also applies to US 60 from Apache Junction to Globe.

Old West Highway Sign
10/6/2022 - Old West Highway sign on US 70 in Duncan.

US 70's original alignment went over the 1930 Coolidge Dam. US 70 has since been moved north, but the dam is still drivabale.


Page last updated: 10/7/2022