Completed in 2009, this was the second of a series of MAG Roadway Framework Studies that cover rapidly developing areas of Maricopa County and adjacent counties. The I-8 & I-10/Hidden Valley Framework Study is the first such study extending outside Maricopa County. The project established a transportation framework that:

  • Identified a network of freeways, parkways, and arterials capable of meeting long-range traffic demand.
  • Provided guidance and a coordinated transportation vision to a rapidly developing portion of the metropolitan area.
  • Provided a framework for extending and preserving the existing and planned metropolitan freeway network for future development in the MAG region.
  • Recommended strategies to preserve interstates 8 and 10 as freight corridors.

Results from the Interstates 8 and 10/Hidden Valley Roadway Framework Study are incorporated by affected agencies in their continuing planning studies and process. The study area covers nearly 2,000 square miles in Maricopa and Pinal Counties and is bordered by the Gila River to the north, Interstate I-8 to the south, 459th Avenue alignment to the west, and I-10 to the east.

Map of the Study Area