PHOENIX, AZ — The Arizona State Transportation Board has approved the 2026-2030 Five-Year Transportation Facilities Construction Program. The $11.5 billion program meets the Arizona Department of Transportation’s (ADOT) goal of investing $2.4 billion in the next five years to preserve, rehabilitate, and replace pavement and bridges on the state highway system.
Greater Arizona expansion projects in the program include:
- Widening I-17 from Sunset Point to SR 69 starting in fiscal year 2028
- Widening the Pinal County portion of State Route 347 between the City of Maricopa and Riggs Road starting in fiscal year 2027
- Widening the Lion Springs section of State Route 260 east of Payson starting in fiscal year 2026
- Widening U.S. 93 north of Wickenburg along the Vista Royale segment starting in fiscal year 2026 and widening U.S. 93 at Big Jim Wash between Wickenburg and Wikieup starting in fiscal year 2027
- Building an interim road connecting a new commercial port of entry facility planned in Douglas with State Route 80 starting in fiscal year 2026
In Pima County, the tentative five-year program lists projects including:
- Widening Interstate 10 from Kino Parkway to Country Club Road, including building a new interchange at I-10 and Country Club Road and reconstructing the Kino Parkway interchange, which began this year
- I-10 from Alvernon Way to Valencia Road starting in fiscal year 2028
- Improving the I-10 interchanges at Park Avenue in fiscal year 2028 and Sixth Avenue in fiscal year 2029
- Reconstructing the I-19 interchange at Irvington Road starting in fiscal year 2026
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In Maricopa County, the tentative five-year program lists expansion projects planned in conjunction with the Maricopa Association of Governments including:
- Widening Loop 303 from Lake Pleasant Parkway to 51st Avenue and improving the I-17/Loop 303 interchange starting in fiscal year 2026
- Constructing State Route 30 from 97th Avenue to 71st Avenue starting in fiscal year 2030
- Widening State Route 24 between Loop 202 and Ironwood Road in the Southeast Valley starting in fiscal year 2030
Both the Maricopa and Pima county regions have dedicated, voter-approved sales taxes for transportation that fund expansion projects.
The five-year program includes $135 million for the Airport Capital Improvement Program, which provides funding in conjunction with the Federal Aviation Administration for projects to design and construct safety, security, and capacity enhancements, prepare various plans and studies, and fund improvements at the Grand Canyon National Park Airport, which ADOT operates.
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Funding for the overall statewide five-year construction program comes from federal and state dollars, in addition to money generated by users of transportation services in Arizona, primarily through gasoline and diesel fuel taxes, the Arizona vehicle license tax, and various aviation taxes.
