Northern Parkway

Northern-Pkwy-Corridor-Map-092222

Project Updates

Last Updated: September 21, 2022

Construction work related to TT0427 Dysart Road overpass has been completed. Work has finished on the overpasses at Dysart Road and El Mirage Road and the roadway is open to traffic.

Project Overview

The Northern Parkway Corridor projects are the result of a partnership with many local agencies and jurisdictions including the Arizona Department of Transportation (ADOT), Maricopa County Association of Governments (MAG), Maricopa County Department of Transportation (MCDOT), City of El Mirage, City of Glendale, and City of Peoria.  The corridor projects extends 12.5 miles between Loop 303 and US 60 (Grand Avenue) in northwestern Maricopa County. MCDOT is leading final design and construction efforts.  The project development will be done in several different phases which can be seen throughout this page.

Connected Projects

Northern Parkway Corridor Projects

Cost & Funding

The majority of funding for the Northern Parkway (70%) will come from regional sources, primarily Federal Surface Transportation Program funds (STP), allocated via the Maricopa Association of Governments (MAG) to Northern Pkwy Funding Pie ChartMaricopa County. The remaining 30% will be from the partners.

Pursuant to the IGA, $315.8 million is budgeted for the Northern Parkway based on the MAG Regional Transportation Plan. This represents roughly half of the total projected cost of $612.6 million.

Project Question?

Contact the MCDOT Communications Team

Phone: (602) 506-3342
Email: MCDOTProjects@maricopa.gov

Northern Parkway Reports & Documents


Five-year Life Cycle (Link)
Environmental Assessment (Link)
Draft Environmental Assessment (Link)

Design Concept Report
Table of Contents (Link - 21mb)
Chapter 1 (Link - 47mb)
Chapter 2 (Link - 3.7mb)
Chapter 3 (Link - 5mb)
Chapter 4 (Link - 73.5mb)
Chapter 5 (Link - 3.5mb)
Chapter 6 (Link - 82k)
Chapter 7 (Link - 101k)
Chapter 8 (Link - 89k)
Appendix A (Link - 37.4mb)
Appendix B (Link - 3.5mb)
Appendix C (Link - 528k)
Appendix D (Link - 486k)
Appendix E (Link - 2mb)
Appendix F (Link - 80k)
Appendix G (Link - 206k)

Alternatives
Alternative 1 - Selected Alternative (Link - 71.7mb)
Alternative 2 (Link - 3.6mb)
Alternative 3 (Link - 11.8mb)

TT0573 Northern Parkway: 99th Ave to Grand Avenue Scoping Assessment
SDR Report No Appendices (Link - 170mb)
SDR Appendices A - D (Link - 334mb)
SDR Appendices E - J (Link - 176mb)
SDR Appendices K - N (Link - 266mb)

TT0600 Northern Parkway: Agua Fria to 99th Avenue SDR
Sealed SDR No Appendices (Link - 16.8mb)
Candidate Alternatives Roll Plot (Link - 33.3mb)
Combined Candidate Stage Cost Estimate (Link - 112k)
Draft Scoping Plans (Link - 85.0mb)
Draft Scoping Stage Cost Estimate (Link - 88k)
Final Scoping Plans (Link - 88.3mb)
Final Scoping Cross Sections (Link - 10.2mb)
Final Scoping Stage Cost Estimate (Link - 100k)
Summary of Comments (Link - 788k)
EIM Final (Link - 1.78mb)
Meeting Materials (Link - 34.6mb)
Public Outreach Materials (Link - 21.8mb)
Northern Parkway Tech Memos (Link - 330mb)
Northern Parkway Design Criteria (Link - 80k)