ADOT Blog | Department of Transportation

Latest blog articles

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...

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.

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.

Popular blog articles

Black and white historic image of a vehicle on Route 66

01/14/2021

Throwback Thursday: The way US 66 was

This photo of a stunning view led us to a small footnote in the history of US 66 in northern Arizona.

Graphic with driver license renewal information

01/12/2021

From the Director: Extending driver license renewals for older adults

Governor Doug Ducey recently signed an executive order about driver license renewal. Here's how that helps out 75,000 Arizona residents during the current public health situation.

A steel bridge spans a river with hills in the background on the Arizona Department of Transportation page.

01/11/2021

A decade's worth of the relevant, important and odd can be found on Facebook

ADOT's Facebook page is where we deliver up-to-date information on major highway closures; the latest agency news; and a smattering of the odd and funny things that happen along state highways. And, guess what? We've been doing it for a decade now.

Groundbreaking participants in front of large trucks

01/08/2021

Gilbert holds groundbreaking for L-202 Lindsay Road interchange

A new interchange is coming to the Loop 202 Santan Freeway and Gilbert just kicked off the construction in style while still being safe.

Art on a South Mountain Freeway interchange

01/06/2021

History abounds on the walls of Loop 202 South Mountain Freeway

We're taking a look back at how the art along the one-year-old South Mountain Freeway came together.

A small, abandoned stone building with wooden doors stands in a dry desert landscape against a backdrop of red rocky hills under a clear blue sky.

01/05/2021

Lee's Ferry, where history crossed the Colorado

Visit this stop in northern Arizona that has been a center for transportation for hundreds of years.

Freeway board with message on highway safety and COVID-19 safety

01/04/2021

A year's worth of blogs prove 2020 wasn't all ... 2020

We searched through our archives to bring you the fun, weird, sobering and informative tidbits we shared during the chaotic ride that was 2020.

A multi-lane highway with several cars and a yellow utility truck driving under clear skies, bordered by red gravel landscaping and small trees.

12/31/2020

Yes, it was 2020 but progress still made along Phoenix-area freeways

Murder hornets and a public health situation didn't keep us from completing some major projects in 2020.

Mask hanging from rear view mirror

12/30/2020

A year of accomplishments, with an asterisk

Watch our video wrapping up the past year.

Crane sets a bridge girder

12/29/2020

Bridge girder placement an eye-catching sign of progress in Winkelman

If you drove on SR 77 near Winkelman this month, there was no missing this important sign of progress.