The project is for 11.16 miles of HMA widening and median shoulder reconstruction, construction of crash sites, interchange reconstruction with roundabouts, drainage upgrades, cold milling and resurfacing, bridge replacement, permanent and temporary bridge widening, culvert extension, retaining wall, epoxy overlay, deck patching, barrier replacement, concrete beam end repair, substructure patching, concrete surface coating and rehabilitation, active traffic management system installation and ramp acceleration taper extensions at various locations on US-23, within Livingston and Washtenaw Counties.