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Loop 303 project
08/07/2026

Big freeway construction project is in its early stages south of I-10 in Goodyear

The opening of a well-known travel center featuring a beaver mascot in Goodyear made a lot more news this summer than the start of ADOT’s latest freeway construction project, also in that West Valley city. The project to extend Loop 303...
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Close-up view of textured grooves on a concrete road surface, with blurred vehicles and highway scenery in the background under a partly cloudy sky.
08/05/2026

What is diamond grinding?

You may have heard that diamond grinding is currently being used on the SR 51, I-10 to Shea Blvd pavement project and the pavement improvement projects on the Loop 101 Agua Fria and Pima freeways. But what does that actually mean? Diamond...
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AAH volunteer group
08/05/2026

Route 66 Centennial cleanup

Join us for a special cleanup along a stretch of Arizona’s legendary Route 66 also known as the Mother Road, Main Street of America and the Will Rogers Highway.
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Popular blog articles

10/01/2015

ADOT iShare Innovation Showcase highlights new ideas

ADOT hosted its first iShare Innovation Showcase, giving agency employees an opportunity to share the ideas that have helped streamline efforts.
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Wildlife Sign
09/29/2015

ADOT nationally recognized for environmental leadership

ADOT has received a new accolade for its leadership in developing wildlife crossing structures in Arizona.
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09/25/2015

ADOT YouTube channel nears milestone

We’re about to hit a big milestone over on the ADOT YouTube channel!
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09/24/2015

Work continues on Hell Canyon Bridge replacement

We have an update for you on the Hell Canyon Bridge replacement project that isn’t infernal at all!
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09/23/2015

Your top vehicle registration questions (and the answers)

Vehicle registration is a topic that matters to just about every vehicle-owner in this state. Today, we're sharing some frequently asked questions on the subject (along with the answers!).
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A newly paved road with a roundabout, surrounded by trees. A green highway sign indicates the direction to Sedona via State Route 89A.
09/16/2015

I-17/SR 89A intersection improvements wrap up near Flagstaff

It’s been a while since we last checked in up north on the I-17/JW Powell traffic interchange improvement project.
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Aerial view of State Route 88 roundabout
09/15/2015

Why we build roundabouts

Learn about the benefits that modern roundabouts offer traffic planners and engineers.
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Large red lizard artwork painted on concrete support pillar under a highway overpass, with geometric patterns on adjacent pillars and highway in background.
09/10/2015

Transportation Defined: Rustication

Rustication and graphic elements are used to help create visual interest and a sense of place.
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Map showing potential passenger rail routes
09/03/2015

Give us your feedback on the Passenger Rail Corridor Study

ADOT, in partnership with the Federal Railroad Admin., has released the Draft Tier 1 Environmental Impact Statement for Passenger Rail Corridor Study.
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A horse-drawn stagecoach travels down a deserted, sunlit street in the historic town of Tombstone Arizona with wooden buildings on either side.
09/02/2015

History is re-created in Tombstone as part of ADOT project on SR 80

Improvements to SR 80 through Tombstone include the replacement of water-damaged adobe at the base of Schieffelin Hall, one of the most significant historic buildings in “The Town Too Tough to Die.”
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