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Construction of I-40 interchange with US 93 in Kingman
YESTERDAY

Northern AZ 2026 highlights include I-17 wildlife overpass completion

Many improvements starting, ending, continuing across region

Also in 2026, ADOT will launch a project to transform the final two-lane section of State Route 260 between Payson and the Mogollon Rim into a four-lane highway. And in Kingman, work will continue on...
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Interchange of I-10 and Sunset Road
12/29/2025

I-10, I-19 improvements highlight 2026 for Southern Arizona

Tucson area will see completion of I-10 Ruthrauff to Ina project

In Tucson, construction crews will be finishing an I-10 widening project on the northwest side, continuing another I-10 project southeast of downtown and kicking off an I-19 interchange reconstruction...
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The I-10/Loop 101 interchange in West Valley (ADOT file photo Dec. 2025)
12/29/2025

ADOT: The year ahead in Phoenix-area freeway projects

Start of Loop 303 widening project near I-17 leads the 2026 list

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...
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Host Doug Nintzel, sound engineer Russell Chase and guest Dezbah Hatathli record an episode.
12/24/2025

On the Road With ADOT: 100-plus episodes and going strong

Weekly podcast highlights projects, people and more

On the Road With ADOT, a weekly podcast highlighting projects, people and initiatives, recently surpassed the milestone of 100 episodes. ADOT shares these conversations every Friday at azdot.gov...
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Business 40 in downtown Holbrook
12/23/2025

Project Spotlight: Pavement upgrade for key Holbrook route

Business 40 is a commercial district, gateway to Navajo Nation

The $2.1 million project, which began in September 2024, improved a route commonly known as Navajo Boulevard in downtown Holbrook, which is home to dozens of businesses. Other improvements included...
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Interstate 17 south of Flagstaff (ADOT file photo)
12/19/2025

ADOT: No closures scheduled over upcoming holiday weekends

Focus is on limiting highway travel restrictions; please drive safely

ADOT and its contractors are not scheduling closures for state highway construction projects during the upcoming holiday weekends. Please stay alert and focus on safe driving. Learn more here.
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I-17 Flex Lanes Open Ahead Sign
12/17/2025

I-17 Improvement Project reaches substantial completion milestone

New flex lanes making holiday travel brighter and easier for drivers

If you’re packing up the kids and the presents and hitting the holiday road, you’ve got one more reason to celebrate this season, now that the new flex lanes are open and the I-17 Improvement Project...
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State Route 24 Shield Sign (Southeast Valley) ADOT File Photo
12/12/2025

Speed limit on SR 24 in Southeast Valley now 55 mph

Updated limit follows an ADOT evaluation of the four-lane road

The speed limit on the four-lane State Route 24 in the Southeast Valley has been adjusted from 45 to 55 mph following an ADOT evaluation. Learn more here.
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Expanded northbound I-17 off-ramp at Loop 303 in North Phoenix
12/12/2025

ADOT opens new lane at northbound I-17 off-ramp to Loop 303

Added room designed to reduce congestion ahead of larger project

ADOT has opened a second lane leading into and along the northbound I-17 exit at Loop 303 to provide more capacity for traffic, especially during busy rush hours. Learn more here.
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A snowplow clearing ice and snow off the highway.
12/09/2025

ADOT shares ‘Know Snow’ tips for winter driving

Drivers should prepare themselves, vehicles ahead of the winter season

ADOT’s 400 snowplow operators have been preparing themselves and our fleet of 200 snowplows for the winter season, and drivers should prepare themselves and their vehicles for winter weather driving...
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