Arizona State Route 266

State Route 266
Route information
Maintained by ADOT
Length19.18 mi (30.87 km)
Existed1957–present
Major junctions
West endFort Grant Road near Fort Grant
East end US 191 south of Safford
Location
CountryUnited States
StateArizona
Highway system
  • Arizona State Highway System
SR 264 SR 273

State Route 266 (SR 266) is a highway in Graham County, Arizona that runs from its junction with US 191 south of Safford to Fort Grant. It is an eastwest route.