U.S. Highway 191 - Arizona
U.S. 191 is the main north-south corridor in Eastern Arizona. Replacing old U.S. 666 between Douglas and Sanders in 1992, U.S. 191 became a transcontinental federal route when it was extended north to Malta, Montana, in 1997. For more, see U.S. 191 (Wyoming).
U.S. Highway 191 was established in 1932 as U.S. Highway 666 from U.S. Highway 80 near Douglas, north through Willcox and Safford to Springerville, then north to Sanders and U.S. Highway 66, where the road travelled east into New Mexico as a multiplex. The road was paved slowly, and the Coronado Trail section between Clifton and Alpine was not completely paved until 1963.
U.S. Highway 191 is a scenic road between Clifton and Alpine, but one to be taken slowly. Some observers have counted over 400 curves along the 90 miles of road between the two, most of which must be taken at 25 MPH or less.
The section of U.S. 191 north of Clifton was rerouted in 1983 due to growth at the Morenci mine. It is still known as a Temporary route, with plans to further realign it due to the growth of the Morenci open-pit mine.
U.S. 191 Arizona Highway Guides
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