The proposed project is located in Yavapai County at the intersection of Williamson Valley Road and Stazenski Road, from MP 9.8 to MP 10.2. The work consists of constructing new AC pavement along the west side of the existing Williamson Valley Road roadway prism to construct new left-turn lanes in the northbound and southbound directions. The work includes excavation, embankment, asphaltic concrete paving, erosion control, pavement markings, signing, and other related work.