ADOT is advising drivers who use Highway 89 in Prescott to plan for overnight road closure tonight while contractors install electrical conduit across the roadway. Motorists should expect delays and use alternate routes as the road will be closed in both directions from 89A to Deep Well Ranch Road from 7 p.m. tonight to 5 a.m. tomorrow. Drivers can use Deep Well Ranch Road to access north- and southbound Highway 89.