SignalsAZ.com Prescott News Podcast - Arizona Freeway Projects Set for 2026 Launch
Episode Date: December 27, 2025Send us a text and chime in!Several large Arizona Department of Transportation projects are set to get underway along Phoenix-area freeways in 2026, including the first projects funded under Propositi...on 479 approved by Maricopa County voters in 2024. Substantial progress also will be made during the new year on two Proposition 400-funded widening projects along Loop 101 and Loop 202. Voters approved Proposition 400 in 2004. Here is ADOT’s overview of Valley freeway project heading into 2026: Loop 303 Improvement Project between I-17 and 51st Avenue: This 9 million project scheduled to start by late January will add direct freeway-to-freeway ramps at the I-17/Loop 303 interchange... For the written story, read here >> https://www.signalsaz.com/articles/arizona-freeway-projects-set-for-2026-launch/Check out the CAST11.com Website at: https://CAST11.com Follow the CAST11 Podcast Network on Facebook at: https://Facebook.com/CAST11AZFollow Cast11 Instagram at: https://www.instagram.com/cast11_podcast_network
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Several large Arizona Department of Transportation projects are set to get underway along
Phoenix Area Freeways in 2026, including the first projects funded under Proposition 479 approved by
Maricopa County voters in 2024. Substantial progress also will be made during the new year
on two Proposition 400 funded widening projects along Loop 101 and Loop 202. Voters approved
Proposition 400 in 2004. Here is ADOT's overview of Valley Freeway project heading into
2026. Loop 303 improvement project between I-17 and 51st Avenue. This $129 million project
scheduled to start by late January will add direct freeway to freeway ramps at the I-Loop 17-303
interchange in North Phoenix. Cruise also will widen loop 303 to three lanes in each direction from
I-17 West to 51st Avenue. It is the first project to be.
funded using Proposition 479.5-cent sales tax revenue managed under the Maricopa Association of
Governments, MAG, Regional Transportation Plan. It is scheduled to be completed in 2028.
Note, ADOT recently added a second northbound I-17 lane approaching and leading into the off-ramp
at Loop 303, providing more capacity for traffic exiting during busy rush hours.
Loop 303 widening project, 51st Avenue to Lake Pleasant Parkway. This is a separate
project west of the larger project near I-17 that also will widen Loop 303-3-3 lanes in each
direction and add other improvements. It also will be funded via the MAG Proposition 479
Regional Transportation Plan. Work is scheduled to start by fall 2026.
Loop 101, Pima Freeway, widening project, Shea Boulevard to Princess Drive,
new north and southbound lanes along 4.5 miles of Loop 101 opened in November as part of this
$108 million project in Scottsdale. Construction began in January 2024. Substantial completion is
scheduled in early 2026. Note, a separate project to improve the Loop 101 pavement surface during
overnight restrictions, Shade of Princess, is scheduled to start in the spring.
Loop 303 Improvement Project, Ban Buren Street to Maricopa County 85. This project in the West
Valley will construct Loop 303 along four miles of the Cotton Lane Corridor, providing three
lanes in each direction between Van Buren Street and Lower Buckeye Road.
Cruise also will build two lanes in each direction between Lower Buckeye Road and MC85.
Pre-construction work including utility relocation is currently underway.
The four-year project is scheduled to start by mid-2026.
A Loop 10-101 Interchange Improvement Project in the West Valley, a new elevated bridge will
be added to carry HOV lanes between the two freeways to and from downtown Phoenix area.
The project will widen both I-10 and Loop 101 near the existing interchange.
A separate ramp will be built to allow southbound Loop 101 drivers to make a direct connection
to 91st Avenue south of I-10. Work is expected to start this spring and take approximately
three years to complete.
Loop 101, Agua-Fria Freeway, widening project, I-17-75th Avenue.
Cruise will continue work to construct new lanes in each direction along 6.5 miles of Loop 101 in the
Northwest Valley. Other improvements are being made along freeway frontage roads.
Another southbound 75th Avenue turn lane to eastbound Loop 101 will be added.
The $140 million project started in September 2024 and is scheduled for completion in spring
2027. Loop 202, Santan Freeway, widening project, Loop 101 to Val Vista Drive.
The $200 million project in Chandler and Gilbert is adding two lanes in each direction between Loop
101 and Gilbert Road. One lane in each direction will be added between Gilbert Road and
Val Vista Drive. Freeway bridges are being widened. Work began in August 2024 and is scheduled
for completion in spring 2027. Real-time highway conditions are available on AdD's Arizona
Traveler Information site at AZ511.gov, the Oz 511 app, download for Apple or Android devices,
or by calling 511. Catch up with more local news stories on signals AZZE.
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