Deck Park Tunnel to I-10 / I-17 Split

I-10 Freeway Corridor Study

Overview

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The Maricopa Association of Governments (MAG) has begun a corridor study of the Interstate 10 Freeway from the Deck Park Tunnel to the Interstate 10 (I-10)/Interstate 17 (I-17) Interchange (also known as the Split).

The study also includes the areas of the I-10/State Route 51/Loop 202 interchange (Mini-Stack) and the north-south portion of I-10 south of the Mini-Stack near Phoenix Sky Harbor International Airport. The purpose of the study is to recommend design elements, operational strategies, and policy actions that may serve as the basis for design and construction for future projects in this corridor.

Transportation agencies within the region have been studying this portion of our freeway network as the region has grown. Several studies provide important background for this study, including the I-10/I-17 Corridor Master Plan "Spine Study" and the I-10/Papago Tunnel Traffic Operations Study. This new study will look at the findings and recommendations from these and other previous studies to determine their suitability for further consideration in future studies and design efforts. It will also identify new alternatives for consideration.

MAG I-10 Freeway Corridor Study Area

Key Considerations

The study team will consider several key factors when developing strategies for the corridor. The study area is one of the most heavily used and congested highway segments in the region. It provides access to downtown Phoenix and carries regional traffic. It is a part of Arizona’s Key Commerce Corridor system, which moves freight around and through the state. Designs are needed that can optimize safety, traffic flow and access to the surrounding communities, while also accommodating regional travel.

Another factor for consideration is integration with existing local plans, such as those from Phoenix Sky Harbor International Airport and Phoenix’s Downtown Transportation Plan. The Downtown Transportation Plan has identified a variety of street, transit, and bicycle and pedestrian solutions to improve ways to get to and around the downtown area. Potential strategies will consider and complement these multimodal plans.

As with all transportation planning MAG undertakes, public input will be a key factor in the selection of improvement recommendations. Opportunities will be provided throughout the study for members of the public to provide feedback on proposed strategies. These opportunities will include surveys, comment forms, and a public meeting.

Potential Strategies

The study team has identified a broad range of potential strategies and is beginning its evaluation. Community members will soon be given an opportunity to learn of these potential strategies and to offer their input to the evaluation team.

MAG I-10 Freeway Corridor Study Timeline

Study Partners

MAG logo
ADOT logo
City of Phoenix logo
Phoenix Sky Harbor International Airport logo
Federal Highway Administration logo
Federal Aviation Administration logo
Major Projects Manager
Tim Strow
Transportation Engineer IV
Bradlee Williams