ADOT Blog

Latest blog articles

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.

LEARN MORE

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...

LEARN MORE

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...

LEARN MORE

'Sunscreen' spares transplanted saguaros from sunburn

If you've noticed black netting on some saguaros transplanted along the Loop 101 Pima Freeway, here's an explanation.

LEARN MORE

04/16/2017

Where in AZ??

Join us our Facebook trivia challenge and tell us "Where in AZ??" this photo was taken.

LEARN MORE

04/14/2017

Art of Transportation: Hoover Dam

The Art of Transportation gives you a lesser-photographed view of Hoover Dam.

LEARN MORE

04/13/2017

Throwback Thursday: First Arizona license plates

We're taking a look back at Arizona's first license plates and how plates have changed over the years.

LEARN MORE

A group of people sit around tables in a meeting room, discussing and writing on large sheets of paper.

04/12/2017

No "I" in team or in ADOT Partnering

Award recognizes transportation teams for successfully working together to deliver on time and on budget construction projects.

LEARN MORE

04/11/2017

Maricopa's bridge project: Take a virtual helicopter ride into the future

We're taking you on a virtual drive and flight over SR 347 in Maricopa to look at the new bridge and alignment scheduled for 2019

LEARN MORE

04/10/2017

From the Director: ADOT offers latest South Mountain Freeway virtual tour online

ADOT Director John Halikowski highlights key design features of the new South Mountain Freeway and encourages you to take a virtual tour of the freeway.

LEARN MORE