Dating back to the late 1950s, Interstate 17 (Black Canyon Freeway) is one of two Arizona Interstate highways that lies entirely within the state borders. In addition to serving as a major north-south artery for metro Phoenix commuters and travelers, I-17 is an important route for interstate commerce. It serves as the connection for Interstate 40 and Interstate 10, two of the nationís major east-west routes. More . . .
Click a numbered project on the map for more information about that project.
The timeline represents the required steps in the development of a roadway or roadway improvement. In addition to establishing a funding source, there are a series of required planning and environmental studies before a roadway is constructed. Once built, a roadway will be improved over time as a result of the studies. More . . .
Our Valley Freeway System is part of the 2004 voter-approved Regional Transportation Plan. We are working hard with our transit partners to implement the voters’ vision and are committed to quality, safety, open communication with our neighbors, and minimal inconvenience to the traveling public.