An $11.5 billion programme of works will be carried out to boost Arizona’s transport network over the next five years. The 2026-2030 Five-Year Transportation Facilities Program, has been approved by the State Transportation Board and will be carried out by the Arizona Department of Transportation (ADOT).
ADOT intends to invest $2.4 billion over the next five years to preserve, rehabilitate and replace pavement and bridges on the state highway system. Highway pavement and bridge infrastructure will be improved, boosting highway safety, efficiency and functionality. In addition to the resurfacing works and bridge upgrades, work will include intersection improvements, updates to points of entry and rest areas, smart technologies and new signals, signs and shoulders.
The enormous transport improvement programme will provide a huge boost to the road sector in Arizona. Construction firms and contractors will benefit from significant levels of business activity. There will be significant demand for machines and systems for the sector.
For Greater Arizona, widening of I-17 will be carried out from Sunset Point to SR 69 starting in fiscal year 2028, as well as widening the Lion Springs section of State Route 260 east of Payson starting in fiscal year 2026. There will also be widening of the Pinal County portion of State Route 347 between the City of Maricopa and Riggs Road starting in fiscal year 2027 and widening of US 93 north of Wickenburg along the Vista Royale segment starting in fiscal year 2026 and widening US 93 at Big Jim Wash between Wickenburg and Wikieup starting in fiscal year 2027. In addition, there will be a new 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 projects include widening Interstate 10 from Kino Parkway to Country Club Road, which includes building a new interchange at I-10 and Country Club Road and reconstructing the Kino Parkway interchange, starting this month. The $600 million project is the largest highway construction project in Southern Arizona history and includes additional lanes on I-10 as well as new interchanges to reduce delays and boost safety. The work also includes improving I-10 from Alvernon Way to Valencia Road starting in fiscal year 2028, as well as improving the I-10 interchanges at Park Avenue in fiscal year 2028 and Sixth Avenue in fiscal year 2029. Reconstruction will be carried out for the I-19 interchange at Irvington Road starting in fiscal year 2026.
In Maricopa County, the expansion projects planned in conjunction with the Maricopa Association of Governments include widening Loop 303 from Lake Pleasant Parkway to 51st Avenue and improving the I-17/Loop 303 interchange starting in fiscal year 2026. They also include constructing State Route 30 from 97th Avenue to 71st Avenue starting in fiscal year 2030 and widening State Route 24 between Loop 202 and Ironwood Road in the Southeast Valley starting in fiscal year 2030.
Funding for the work comes from federal and state sources, in addition to money generated by users of transportation services in Arizona, primarily through fuel taxes, the Arizona vehicle license tax and various aviation taxes.
The eastbound Loop 202 (Santan Freeway) on-ramp at Dobson Road in Chandler is closed to allow crews to reconstruct the ramp as part of the Arizona Department of Transportation’s Loop 202 widening project in the Southeast Valley. The ramp is scheduled to reopen in late August 2025.
Drivers can consider entering eastbound Loop 202 at Price Road or Alma School Road while the on-ramp at Dobson Road is closed. The $200 million Loop 202 Improvement Project is adding lanes and interchange improvements along 8 miles of Loop 202 between Loop 101 and Val Vista Drive in Chandler and Gilbert.
ADOT has also commenced work to reconstruct and widen I-10 between Kino Parkway and Country Club Road southeast of downtown Tucson.