 State Route 366 | ||||
|---|---|---|---|---|
| Mount Graham Road | ||||
 SR 366 highlighted in red | ||||
| Route information | ||||
| Maintained by ADOT | ||||
| Length | 28.33 mi[1] (45.59 km) | |||
| Existed | 1960–present | |||
| Tourist routes |  Swift Trail Parkway | |||
| Major junctions | ||||
| West end | Near Mount Graham | |||
| East end |  US 191 at Swift Trail Junction | |||
| Location | ||||
| Country | United States | |||
| State | Arizona | |||
| Highway system | ||||
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State Route 366 (SR 366) is a highway in Graham County, Arizona that runs from its junction with US 191 south of Safford to near the summit of Mount Graham. It is a winding mountain road with one half primarily a northwest-southeast route, the other half being northeast-southwest.
- ^ Arizona Department of Transportation. "2008 ADOT Highway Log" (PDF). Archived from the original (PDF) on December 28, 2010. Retrieved April 8, 2008.