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Aerial view of Hance Park.
08/10/2026

Forever linked: The I-10 tunnel and Hance Park have different birthdays

While the I-10 Deck Park Tunnel turns 36, younger "sibling" Margaret T. Hance Park maintains its place as a space for the community to gather.
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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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Popular blog articles

03/15/2017

From the Director: Saving taxpayers money, a half hour at a time

MVD implements strategies to improve customer experience and reduce overtime costs.
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03/15/2017

New northwestern Arizona bridge will be ready for traffic in just four days

Find out how ADOT installs a new bridge in just 96 hours.
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03/14/2017

Slideshow: Ina Road/I-10 work includes upgrades west of interstate

A slideshow allows you to review photos from work on our Ina Road/Interstate 10 project from this part of the work going on in Marana.
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03/12/2017

Where in AZ??

Join us for our latest "Where in AZ??" challenge on Facebook!
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03/11/2017

Spring forward? Not if you buckle up

New message reminds drivers of an Arizona practice and safety.
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03/10/2017

From the Director: It’s your turn to vote on safety messages!

We don’t need an Academy or selfie-taking accountants to tell us who has the best safety message.
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03/09/2017

Throwback Thursday: Just two trucks, lots of horses for the 1915 Arizona Highway Department

Fading photos from ADOT's archive show how the Arizona Highway Department built and maintained roadways not long after statehood.
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Bicycle riders on a rural highway.
03/08/2017

Better safe than sorry when enjoying spring on two wheels

Spring usually brings out motorcyclists and bicyclists, making this a good time for safety reminders.
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03/07/2017

Social media making commercial traffic more efficient at international ports

A popular app is helping truckers on both sides of the U.S.-Mexico border as well as ADOT inspectors.
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A two-lane highway with a double yellow line runs through a desert landscape with red rock formations under a blue sky. A road sign and small buildings are visible in the distance.
03/06/2017

The results are in: Here’s how you rank transportation funding priorities

Survey says...expansion and preservation are important Arizona transportation priorities. Find out what else we found out from a recent online survey.
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