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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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On the Road With ADOT logo
08/02/2026

PODCAST: Learn more about the brand new Loop 303 construction project south of I-10 in Goodyear

Senior Resident Engineer Jimmy Naujokaitis is On the Road with ADOT, talking to host Doug Nintzel about early work and what to expect as this Loop 303 construction advances over the next several years.
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Popular blog articles

03/04/2018

Where in AZ??

We're getting you geared up for the work week with a brain teaser!
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03/02/2018

Great customer service is always an ADOT goal

ADOT is always looking to provide better customer service to Arizonans - and to recognize employees that provide that service.
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Image that says Permit Test @ Home with traffic light graphic
03/01/2018

Trips to the MVD eliminated for learners' permits

It's a rite of passage for many teenagers and now it can be done in the convenience of your own home.
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Arizona Centennial sign along State Route 286
02/28/2018

Historic Highway 286 reaches ranches, tiny border town of Sasabe

Learn about what you'll find along the historic highway of State Route 286.
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Construction workers in safety gear stand near a steel rebar structure, with heavy machinery operating on a dirt site in the background.
02/27/2018

I-10 at Eloy: A video tour of progress on widening, dust detection system

ADOT is widening Interstate 10 near Eloy, but motorists won't see much for delays during construction.
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02/26/2018

From the Director: Collaboration is key

We're excited to support the Sonoran government with the creation of a safety corridor for Mexico Route 8 between Lukeville and the beaches in Puerto Peñasco
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02/25/2018

Where in AZ??

If you think you know every inch of Arizona, we have a challenge for you!
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02/23/2018

ADOT engineers a faster way to deliver highway projects

We wrap up our celebration of National Engineers Week with a big continuous improvement win that's helping us deliver more highway projects on schedule.
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02/22/2018

Engineers find creative solutions to transportation challenges

We're looking back at the blogs that showcase engineering for National Engineers Week.
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Material engineer Julie Kliewer leads a project tour
02/22/2018

What goes into a highway? A bridge? Ask a materials engineer

Materials engineers evaluate everything from the rocks that go into cement to the reflective beads used in paints that stripe roadways to the bolts that help hold bridges together.
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