No construction will take place on Fridays, Saturdays or Sundays
An updated schedule of restrictions for an ongoing guardrail replacement project along the State Route 89A switchbacks at the north end of Oak Creek Canyon will start Monday, May 4.
The Arizona Department of Transportation’s project will give drivers a break from restrictions on Fridays, Saturdays and Sundays.
Motorists can expect 24/7 lane restrictions on SR 89A Mondays through Thursdays between Pine Flat Campground and the Oak Creek Vista scenic overlook (mileposts 387-390). Temporary traffic signals in the area will allow traffic to travel through the work zone one direction at a time.
Drivers should allow extra time and expect delays, especially during peak travel hours. A 12-foot vehicle width restriction will remain in effect.
North- and southbound SR 89A lanes will be open Friday through Sunday.
Harding Springs (milepost 387), which many Northern Arizona residents and others use as a water fill station, will be closed from May 4-7 as part of this new schedule.
Drivers who would normally use SR 89A in the switchbacks area should expect long delays Mondays through Thursdays.
The project is replacing older sections of guardrail, reconstructing sections of curb and gutter and installing concrete barriers in some areas. Work is scheduled for completion by late summer (2026).
