PHOENIX – The Arizona Department of Transportation (ADOT) has released a proposed $12.7 billion Five-Year Transportation Facilities Construction Program for 2026-2030, outlining significant investments in highway improvements and infrastructure projects across the state. The plan is open for public comment until May 23.
Statewide Infrastructure Investments
The proposed program allocates $4.47 billion for projects outside Maricopa and Pima counties, with a focus on highway preservation, bridge rehabilitation, and expansion efforts. Notable investments include:
- $2.8 billion for road and bridge maintenance.
- $455 million for pavement improvements on Interstates 8, 10, 17, and 40.
- $573 million for upgrades on U.S. Routes 60, 70, 93, 160, and 180, along with various state highways.
- $237 million for bridge replacements on interstates and $112 million for additional routes.
The program also designates $592 million for projects aimed at enhancing highway safety and efficiency, including intersection upgrades, improvements to ports of entry and rest areas, installation of smart traffic technology, and other enhancements.
Highway Expansions and Key Projects
To accommodate increasing transportation needs, the plan outlines $1.05 billion for highway expansion projects in Greater Arizona, including:
- $137 million to widen Interstate 10 south of Phoenix.
- $110 million for widening State Route 260 east of Payson.
- $68 million to expand U.S. Route 93 north of Wickenburg.
- $50 million for additional widening of U.S. Route 93 between Wickenburg and Wikieup.
- $66 million for replacing the Colorado River Bridge on I-10 at the California border, in partnership with CalTrans.
- $240 million to expand Interstate 17 from Sunset Point to SR 69.
- $62 million for a new land port of entry facility in Douglas.
Planned Investments in Pima and Maricopa Counties
In Pima County, ADOT has proposed $831 million in partnership with the Pima Association of Governments. Key projects include:
- $600 million to widen Interstate 10 from Kino Parkway to Country Club Road, including a new interchange.
- $290 million for additional widening between Alvernon Way and Valencia Road.
- $47 million for reconstructing the I-19 interchange at Irvington Road.
- $97 million for interchange improvements at Park and Sixth avenues on I-10.
In Maricopa County, the proposed $2.38 billion investment was developed in collaboration with the Maricopa Association of Governments (MAG). Funding from Proposition 479, approved by voters in November 2024, will supplement these projects.
Funding and Public Participation
The five-year plan will be financed through a combination of federal and state sources, including fuel taxes, vehicle license fees, and aviation-related revenue. Voter-approved sales taxes in Maricopa and Pima counties will also contribute to funding expansion projects.
Additionally, the Airport Capital Improvement Program will receive $135 million to support safety, security, and capacity upgrades, including improvements at Grand Canyon National Park Airport.
Public input is encouraged, with comments accepted via ADOT’s website, email, or phone. A State Transportation Board hearing is scheduled for May 16, and the final program is expected to be approved on June 20.
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