FHWA, SR 89A Flagstaff – Vista Overlook, 4R Improvements
89A, Flagstaff – Vista Overlook SWP provided 4R improvements of State Route 89A for up to 8.3 miles of roadway between Flagstaff on the north end and the Vista Overlook at the rim of the Oak Creek Canyon on the south. The work consisted of Realignment of the roadway Adding full-width shoulders Adding acceleration and […]
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