ADOT says there are overnight lane restrictions on Highway-89A in Oak Creek Canyon between Sedona and Flagstaff. Crews are working from 7-pm to 7-am each night through Friday. Crews are performing striping work on the roadway. Highway-89A will be reduced to 1-lane where the work is taking place with flaggers guiding traffic through the area. This work is taking place from milepost 375-to-386.