ADOT Blog | Department of Transportation

Latest blog articles

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

06/30/2017

Happy new year, Pinal County!

Four ADOT projects will boost Arizona's economy more than $147 million over the next few years.

06/29/2017

Give me message boards, or give me a lack of information!

In time for July Fourth weekend, ADOT adds more I-17 overhead message signs.

torn up tire

06/28/2017

Inflating awareness about tire pressure

Gators in Arizona? It happens on our roads in the summer.

Crash Facts report cover

06/27/2017

From the Director: Somber statistics on Arizona vehicle crashes

Driver behavior is the leading factor in motor vehicle crashes.

Historic bridge along old Route 66 in Northern Arizona

06/26/2017

These ADOT photos take you on a Route 66 tour

Visit historic Route 66 without leaving your sofa on our photo tour.

06/25/2017

Where in AZ??

Can you tell us "Where in AZ??" this beautiful old bridge is located?

DMS messaging freeway sign with message

06/23/2017

ADOT Friday Five: Wildfires, Crash Facts and toilet paper

Our #FridayFive includes wildfire info, a new reports on crashes, and even some toilet paper.

Blog Default

06/22/2017

From the ADOT Archives: The 'Stack' construction

Styles from the 1990 are back in, so we're taking a look back at what was going on in Phoenix transportation in the '90s.

MVD office interior view

06/21/2017

Continuous Improvement: New MVD hours reduce wait times

The Arizona MVD is opening early to move you through the MVD faster and more efficiently.

Historic photo showing Highway 85 as a gravel road

06/20/2017

Highway History: State Route 85

State Route 85 has an important place in Arizona's history and will continue to be important to the state's economic future.