The I-10/Hassayampa Valley Roadway Study began in May 2006. The Hassayampa Valley area is bordered by SR-74 on the north, SR-303L on the east, the Gila River on the south, and 459th Avenue on the west. The project established a transportation framework that:
Much of the reason for this one-year study came from the need to preserve and improve Interstate 10, which currently the only freeway serving the area. It is the primary corridor for moving people and goods between Phoenix and the ports in Los Angeles and Long Beach.