ADOT Blog | Department of Transportation

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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.

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...

Popular blog articles

Wrong-way driver warning on freeway message board

12/15/2017

From the Director: Reducing wrong-way crashes starts with you and me

When it comes to reducing the number of vehicle crashes, fatalities and serious injuries, real change has to begin in the driver’s seat.

12/14/2017

Star Wars is coming to a freeway near you

The latest Star Wars movie is out and it's an opportunity remind everyone of some safe driving practices.

Concrete poured for bridge deck over Santa Cruz River near I-10

12/13/2017

Saturday night’s all right for working

There's still a lot of accomplish in Tucson before ADOT crews ring in the new year.

Various colorful Arizona specialty license plates are displayed together, featuring different themes and designs.

12/12/2017

For the person who has everything, how about a specialty plate?

In this most wonderful time of the year, how about a specialty plate for someone on your list?

12/11/2017

Highway History: State Route 68, from gold mining to casinos

Today we're looking at the history of the historic highway between Bullhead City and Kingman.

Blog Default

12/10/2017

Where in AZ??

We've taken to the air to come up with this week's "Where in AZ??" challenge.

Your Speed - Too Fast

12/07/2017

Interstate 17: Where faster isn't better

New digital signs look to improve safety along a mountainous stretch of I-17.

Freeway and cars !-17 south of Thomas

12/06/2017

From the Archives: Interstate 17 in downtown Phoenix

While a lot has changed on I-17 in downtown Phoenix, a few things have endured over the years.

State Highway to North Rim

12/05/2017

State highway to North Rim closes for the winter

Winters are fierce at the Grand Canyon's North Rim. When park amenities close for the winter, we close SR 67 along with them.

Curve on I-17

12/04/2017

From the Director: Calling I-17 a 'deadly highway' misses the point

Highway safety goes far beyond headlines and usually points driver behavior.