Phoenix Construction District is responsible for the administration of construction projects in the Phoenix urban area.
Phoenix Maintenance District maintains all roadways in Maricopa County conforming to the highest possible level of professionalism and standards of maintenance.
Regional Freeway System office provides life cycle management for the funding and programming of the Regional Freeway System.
Valley Project Management is responsible for the completion of project tasks necessary to develop construction for urban freeway and state routes within the Phoenix area.