The U.S. state of Arizona's State Routes are usually abbreviated as SR.
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The Arizona State Highway system was introduced on September 9, 1927, by the State Highway Commission (formed on August 11 of the same year). It incorporated the new federal aid system and also the U.S. Highway system. The 1927 plan included 27 state routes, most of which were simply dirt roads. Until 1942, the state route marker signs contained a Native American swastika, but were removed after the U.S.'s entry into World War II against Nazi Germany which had a reversed swastika as its emblem.
The modern system was introduced and adopted in the 1950s.
Route number | Length[1] | Western / southern terminus | Eastern / northern terminus | Counties | Description | Map | Refs. |
---|---|---|---|---|---|---|---|
I-8 | 178.33 miles (286.99 km) | I-8 at the California state line | I-10 | ||||
I-10 | 392.33 miles (631.39 km) | I-10 at the California state line | I-10 at the New Mexico state line | ||||
I-15 | 29.39 miles (47.30 km) | I-15 at the Nevada state line | I-15 at the Utah state line | ||||
I-17 | 145.76 miles (234.58 km) | I-10 in Phoenix | I-40 in Flagstaff | ||||
I-19 | 63.35 miles (101.95 km) | Mexico Federal Highway 15 at the US/Mexico border at Nogales | I-10 at Tucson | ||||
I-40 | 359.48 miles (578.53 km) | I-40 at the California state line | I-40 at the New Mexico state line |
Route number | Length[2] | Western / southern terminus | Eastern / northern terminus | Counties | Description | Map | Refs. |
---|---|---|---|---|---|---|---|
US 60 | 355.59 miles (572.27 km) | I-10 | US 60 at New Mexico state line | ||||
US 64 | 4.14 miles (6.66 km) | US 160 | US 64 at New Mexico state line | ||||
US 70 | 122.13 miles (196.55 km) | US 60 | US 70 at New Mexico state line | ||||
US 89 | 136.33 miles (219.40 km) | I-40 at Flagstaff | US-89 at Utah state line | ||||
US 89A | 178.33 miles (286.99 km) | US 89 | US-89A at Utah state line | ||||
US 93 | 176.30 miles (283.73 km) | US 60 at Wickenburg | US 93 at Nevada state line | ||||
US 95 | 104.18 miles (167.66 km) | MX 2 at the Mexican Border at San Luis, AZ | I-10 / US 95 at California state line | ||||
US 160 | 159.33 miles (256.42 km) | US 89 | US 160 at New Mexico state line | ||||
US 163 | 23.21 miles (37.35 km) | US 160 | US-163 at Utah state line | ||||
US 180 | 164.10 miles (264.09 km) | Grand Canyon National Park | US 180 at New Mexico state line | ||||
US 191 | 396.18 miles (637.59 km) | SR 80 at Douglas | US-191 at Utah state line |
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