Freeways and Highways

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MAG’s freeway and highway planning efforts have led to significant improvement and expansion of the region’s freeways. Working with the Arizona Department of Transportation (ADOT) and other partners, over $5 billion in existing and new freeway and highway program projects will be delivered over the next 12 years.

  • SR-30 (Tres Rios Freeway), SR 202L to I-17 Scoping Study

    The goal of this study is a corridor definition and implementation strategy to manage travel demand and movements between SR-202L and I-17 along a new SR 30 facility. The study will try to identify a 1,000-foot or narrower corridor for SR-30. This and other improvements would be included in the Regional Transportation Plan (RTP) and Transportation Improvement Program (TIP).
  • Laveen South Mountain Transportation Study

    This project's goal is to identify transportation infrastructure for improving traffic in the Laveen area. This will help ease stress placed on the system from continuing development through community feedback and a data-driven analysis.
  • I-8 & I-10/Hidden Valley Roadway Framework Study

    The purpose of the Hidden Valley Framework Study is to establish a conceptual network of freeways, parkways and arterials that will be capable of meeting long-range traffic demand, and applied at many different jurisdictional levels.
  • Central Phoenix Framework Study

    This study will balance future needs against the current challenges of providing multimodal transportation. This study will also take into account shrinking revenues and growing environmental and energy concerns.
  • I-10/Hassayampa Valley Roadway Study

    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.
  • Southeast Corridor Major Investment Study

    In response to growing demand between the East Valley and Central Phoenix, MAG developed the Southeast Corridor Major Investment Study (SE Corridor MIS). Its purpose is investigating alternate transportation strategies. This includes identifying member agency needs and developing a multi-modal approach in accordance with anticipated traffic volume on Interstate 10 between the SR-202L/Santan-South Mountain “Pecos Stack” and the SR-51/SR-202L/Red Mountain “Mini-Stack” interchanges. This study also included the US-60/ Superstition Freeway and the Interstate 17/Black Canyon Freeway traffic interchanges.
  • I-10/I-17 "Spine" Corridor Master Plan

    In partnership with the Federal Highway Administration (FHWA) and the Arizona Department of Transportation (ADOT), MAG launched this study to develop a Corridor Master Plan for the Interstate 10 and Interstate 17 corridor. This corridor is referred to as the “Spine,” because it serves as the backbone for transportation in the metropolitan Phoenix area. The highway handles over 40 percent of all daily freeway traffic in the region.
  • US-60/Grand Avenue COMPASS Study

    US-60/Grand Avenue is an important regional facility controlled and maintained by the Arizona Department of Transportation (ADOT) as part of the National Highway System (NHS). Because of its significance to local agencies, it has been the subject of many studies, improvement projects, and public interest. It serves multiple purposes, including local access, commuter travel, and freight movement. It also serves as a link to Kingman and Las Vegas.

About MAG

The Maricopa Association of Governments (MAG) is a Council of Governments (COG) that serves as the regional planning agency for the metropolitan Phoenix area.

Title VI

Title VI requires that no person in the United States of America shall, on the grounds of race, color, or national origin, be excluded from the participation in, be denied the benefits of, or be otherwise subjected to discrimination under any program or activity for which MAG receives federal financial assistance.

Get in Touch

  • Address: 302 N. 1st Ave., Suite 300
    Phoenix, Arizona 85003

  • Phone: (602) 254-6300

  • FAX: (602) 254-6490

  • Email: mag@azmag.gov