ADOT seeks input from Arizonans on potential freeway improvements in central Phoenix

The Arizona Department of Transportation would like the public’s input as it is studying an area of Phoenix freeways and planning potential improvements.

ADOT, along with the City of Phoenix and Maricopa Association of Governments, is studying four areas that include three major freeways in downtown Phoenix:

• Interstate 10 from the Deck Park Tunnel to the I-10/I-17 “Split” interchange near Phoenix Sky Harbor International Airport
• State Route 51 south of Thomas Road
• Loop 202 (Red Mountain Freeway) west of 24th Street
• The “Mini-Stack” interchange where I-10, SR 51 and Loop 202 meet

The study’s purpose is to gather information to improve traffic operations, safety and regional travel needs.

ADOT plans to “develop and evaluate proposed alternative design concepts, such as reconfiguring freeway ramp connections and lane configurations through this busy stretch of I-10,” a news release said.

The public can take an online survey (through June 30) to give input that will be taken into consideration when developing the design alternatives.

Arizonans can also email, call or give their input via the mail, and they can learn more about this option online.

ADOT plans to hold a public meeting in fall 2026 to share the design alternatives and receive feedback. Then, the transportation department will hold a public hearing in late 2027 or early 2028 to share the Draft Environmental Assessment and gain feedback again.

Traffic on I-10 is already heavily congested during mornings and afternoons and is expected to get worse. By 2050, the “average delay during peak travel times is expected to increase by up to 60% if no improvements are made,” the release said.

Get the latest KTAR News 92.3 FM traffic alerts sent straight to your phone by texting “TRAFFIC” to 620620.

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