Phoenix Metro Area Projects

Loop 202 South Mountain Freeway

Draft Environmental Impact Statement (DEIS)

The DEIS examines the potential environmental effects of proposed alternatives for the South Mountain Freeway Project, and where adverse impacts are identified, it discusses measures to mitigate them. The proposed project is needed to serve projected population growth and accompanying transportation demand and to correct existing and projected transportation system deficiencies.

Based on the findings of the DEIS, the written and oral comments received during the public hearing, held on May 21, 2013, and comments received during the DEIS document public comment period that ended on July 24, 2013, prepared a Final Environmental Impact Statement (FEIS). Comments received during the public comment period, including those received at the public hearing and community forums will, were addressed in the FEIS.

ADOT invited interested individuals, organizations, and federal, state, and local agencies to comment on the DEIS. The document can be downloaded below. The DEIS was also available at these locations.

  • Phoenix Public Library, Ironwood Branch, 4333 E. Chandler Blvd., Phoenix, AZ 85048
  • Phoenix Public Library, Burton Barr Central Library, 1221 N. Central Ave., Phoenix, AZ 85048
  • Sam Garcia Western Avenue Library, 495 E. Western Ave., Avondale, AZ 85323
  • Tolleson Public Library, 9555 W. Van Buren St., Tolleson, AZ 85353
  • ADOT Environmental Planning Group, 1611 W. Jackson St., Phoenix, AZ 85007 (Call for appointment: 602.712.7767)

Comments on the DEIS were due on July 24, 2013, by email at or at this address:

South Mountain Study Team
Arizona Department of Transportation
1655 W. Jackson St., MD 126F
Phoenix, AZ 85007

Draft Environmental Impact Statement Download

The files below are in PDF format unless otherwise noted. Each complete chapter is available for download and review. Because these are large files, and as an additional security measure, right click and choose Save Target As to save the files to your disk. The chapters are also divided into smaller sections to allow easier download and review of the documents.

Cover, Title Page, Table of Contents Summary Chapter

Chapter 1: Purpose and Need

Chapter 2: Community Coordination

Chapter 3: Alternatives

Chapter 4: Affected Environment, Environmental Consequences, and Mitigation

Chapter 5: Section 4(f) Evaluation

Chapter 6: Comments and Coordination

Preparers, Abbreviations and Acronyms, Glossary, Bibliography and References, and Index