Map Of Loop 303 Arizona

But soon officials hope loop 303 will give the west valley the chance at a more sophisticated identity. Arizona state route 303 also known as loop 303 spoken as three oh three or bob stump memorial parkway and formerly called estrella freeway is a freeway that serves the northwestern portion of the phoenix areathe freeway originally a two lane rural highway was maintained by maricopa county in central arizona serving the far western suburbs of the phoenix metropolitan area until 2004 when. Loop 303 is slated for improvements for more than 40 miles through the west valley.