ADOT Blog | Department of Transportation

Latest blog articles

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...

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.

Popular blog articles

09/22/2020

Adopt a Highway: National CleanUp day is in the bag

National CleanUp Day was this past Saturday - and by all accounts it was a phenomenal success!

09/21/2020

ADOT Highway Trivia Quiz #1

Put your Arizona highway knowledge to the test! Can you get them all right?

09/18/2020

Where Arizona rivers part ways

Do you know you can find the spot on Interstate 40 that determines which way water will flow? Let us show you!

Image of dilapidated stone wall with the words "Mountain Lions" painted on top

09/17/2020

Two Guns' sordid history off I-40

You may have seen a sign for this long-forgotten town while cruising down I-40, but did you know about its bizarre past?

Crane lifts bridge girder

09/16/2020

Bridge girders a big sign of progress at I-10 and Ruthrauff

If you are driving on I-10 in Tucson, you see the major progress happening at the Ruthrauff interchange.

Screenshot of the ADOT Travel ID Document Guide webpage showing progress steps and options to select the type of Travel ID to apply for.

09/15/2020

For the MVD, these awards are a big deal

Most drivers have never heard of the AAMVA Awards, but MVD employees, it's a big deal.

09/14/2020

Framing Arizona in the best light

Adopt a Highway volunteers help Arizona look her best. Now, volunteers can make others aware of the work they're doing to 'Keep Arizona Grand.'

Little Colorado River Bridge

09/10/2020

Big bridge history near little Cameron

What does it take to cross the Little Colorado River? The answer is more than a century and three different bridges.

A person wearing a green glove and jeans holds a dark-colored lizard with an orange tail in their hand.

09/09/2020

ADOT biologists help species and projects move forward

Why does a transportation agency have biologists? Good question! And here is the answer.

Adopt a Highway recognition sign and a photo of Marc Philbrook

09/08/2020

Watch out for this Sasquatch along US 60

According to our Adopt a Highway program, the spirit of Sasquatch lives on US 60 east of Show Low.