About Valley Freeways



Interstate 10

Interstate 17

US 60

Loop 101

Loop 202

Loop 303

State Route 51

State Route 74

State Route 85

State Route 87

State Route 143

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Loop 202 (South Mountain Freeway)
Loop 202 (South Mountain Freeway)
Loop 202 (South Mountain Freeway)
Loop 202 (South Mountain Freeway)
Loop 202 (South Mountain Freeway)

Study Overview

In 1985, Maricopa County voters approved funding for the Maricopa Association of Government's (MAG) Regional Freeway System which included a South Mountain Freeway connecting Interstate 10 in the Southeast Valley with Interstate 10 in the West Valley. The State Transportation Board approved an alignment for the South Mountain Freeway in 1988, running east and west along Pecos Road and then turning north to connect with I-10 West near 55th Avenue.
 

Closures & Restrictions   

Due in part to a funding shortfall, the Arizona Department of Transportation (ADOT) was unable to develop 76 miles of planned freeways, including the South Mountain Freeway. The unfunded corridor, however, remained part of the planned Regional Freeway System. In 1999, ADOT announced plans to accelerate the completion the entire Regional Freeway System. The accelerated plan included a portion of the South Mountain Freeway. More . . .

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Contact Information
Project Map
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Project Timeline
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 . . .

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Introduction to the Phoenix Urban Area Regional Freeway System

On October 8, 1985, the voters in Maricopa County approved Proposition 300 to establish a one-half cent transportation excise tax (commonly called the one-half cent sales tax) for construction of controlled-access highways. These controlled-access facilities must be on the Regional Transportation Plan of the Maricopa Association of Governments (MAG) and the State Highway System. More . . .

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On The Move 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.