SR 89A travel reduced to one lane south of switchbacks beginning Monday

Erosion protection work scheduled in advance of Monsoon season

PHOENIX —  Motorists traveling on State Route 89A between Sedona and Flagstaff should allow for extra travel time as the Arizona Department of Transportation starts a safety improvement project next week to improve erosion protection along the eastern bank of Oak Creek at milepost 385, just south of the switchbacks.

Beginning on Monday, May 4, SR 89A will be reduced to one lane during daytime Monday through Friday, from the early morning hours to 4 p.m., as northbound and southbound traffic will alternate driving through the work zone.

No nighttime, weekend or holiday work is anticipated.

The repair to the creek bank will fortify support to the roadway and prepare for strong stormwater flows expected during the monsoon season. Following last year’s Slide Fire in Oak Creek Canyon, water flow in Oak Creek is expected to increase and could undermine the east bank of Oak Creek and roadway support at this location without the scheduled improvement work.

The bank protection work is anticipated to be fully completed this summer.

Flaggers will be on-site to provide alternating north- and southbound travel through the work zone. Please allow for extra travel time as delays up to 15 minutes can be expected while work is performed.

To stay up-to-date with the latest highway conditions around the state, visit the ADOT Traveler Information Center at www.az511.gov or call 511.

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