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Photo of I-10 interchange at Sunset Links Road
05/08/2026

Sunset Links Road extension celebrated as I-10 widening nears completion in Tucson area

Few things say a project is complete, or almost complete, like a ribbon-cutting ceremony.
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Image of USPS stamp pane featuring eight different stamps.
05/05/2026

ADOT’s director helps dedicate Route 66 postage stamps

The Route 66 centennial is a big deal here at the Arizona Department of Transportation. That’s why our director, Jennifer Toth, gave opening remarks today at a U.S. Postal Service ceremony in Phoenix dedicating stamps honoring the historic route’s 100 years as of this coming November.
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Image showing rendering versus actual photo of a portion of the I-40/US93 interchange in Kingman
05/05/2026

Renderings vs. reality at I-40/US 93 interchange in Kingman

When ADOT commissioned a bird’s eye video rendering of the I-40/US 93 interchange project in Kingman, we never could have imagined there’d be an opportunity to see just how realistic the images would turn out when viewed from above.
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Popular blog articles

Aerial view of the Arizona Route 189 interchange with multiple overpasses surrounded by hilly terrain and buildings.
02/12/2020

Less than 4 miles but very important to Arizona's economy

Connecting the Mariposa Port of Entry with I-19 in Nogales, State Route 189 is about to get an upgrade that will ease congestion, aid commercial travel and support Arizona's economy.
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02/11/2020

Travel off the beaten path for a unique Valentine’s Day gift

Show your love on Valentine's Day with Adopt a Highway.
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People seated at a DMV counter, staff assisting customers with paperwork and computer tasks.
02/10/2020

From the Director: Helping our veterans gain identification

MVD employees participate in Maricopa County StandDown Day because a state ID is important to breaking the cycle of homelessness.
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Historic map showing highway route
02/07/2020

Flashback Friday: 'Best announcement' advances Nogales-Tombstone highway

Ninety-eight years ago, the Tombstone Epitaph's front page shared "about the best announcement that has come to Cochise County on road work for some time." Today, the result is SR 82.
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Black and white image of a "Welcome to Arizona" sign
02/06/2020

Throwback Thursday: Sign of the times

Arizona has brand new welcome signs to greet travelers at the state line, so we decided to look back at how the state used to greet travelers.
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A screenshot of an E-Grants portal with a desert background and navigation menu options displayed.
02/05/2020

Reduction in processing time in E-Grants yields satisfied customers

Customer-focused. Transparency. Accountability. Efficiency. These words describe the new process of using ADOT’s E-Grants system to process planning invoices from Councils of Governments (COGs) and Metropolitan Planning Organizations (MPOs)...
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02/04/2020

A monumental volunteer effort on behalf of one state highway

For five years Melissa Owen has worked toward her dream of cleaning all 45 miles of State Route 286. In 2020, 121 volunteers made her dream come true.
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A concrete retaining wall features angular yellow geometric patterns; the wall extends into the distance with gravel at its base and a cloudy sky above.
02/03/2020

For ADOT freeway aesthetics are no afterthought

Designing a freeway includes quite a bit of thought about how it will look beyond the travel lanes. That's why we make sure Valley freeways have designs that reflect the history and natural beauty of the areas they pass through. The Loop...
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02/02/2020

Where in AZ??

This road provides a smooth ride, but do you know "Where in AZ??" it's located?
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South Mountain Freeway interchange design
01/31/2020

Driving Safety Home: DDIs designed to improve traffic flow, safety

State Engineer Dallas Hammit talks about the new half diverging diamond interchanges on the Loop 202 South Mountain Freeway and what they mean for safety.
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