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

03/05/2017

Where in AZ??

How well do you know Arizona? Join our Facebook challenge and tell us "Where in AZ??" this photo was taken.

03/04/2017

Vote for your favorite in the Safety Message Contest

Did your safety slogan make it to the next round? Find out and vote for your favorites through March 15.

03/03/2017

Throwback Friday? The Bell and Grand interchange 50 years ago

A Throwback Friday photo shows how much progress we've made in 50 years at the Bell and Grand interchange.

03/02/2017

Clearing the way for a better Ina/I-10 interchange

Work dismantling portions of I-10 ahead of building a new Ina Road interchange have begun.

03/01/2017

Blue highway logo signs benefit motorists, businesses and the state

Grand Canyon State Logo Signs are cost effective tool for local businesses to gain exposure along busy highways.

02/28/2017

Art of Transportation: Overhead view of ramp construction

The Art of Transportation takes you above I-10 for a one-of-a-kind view of freeway ramp construction.

02/26/2017

Where in AZ??

Time to challenge yourself with this week's "Where in AZ??" Join us on Facebook and let us know where this photo was taken.

02/25/2017

Driving Safety Home: Messages on overhead signs are all about safety

Messages on ADOT electronic message boards may be fun but they're always focused on safety.

construction of Ina road

02/24/2017

Slideshow: Bridge demolition moves Ina/I-10 interchange project forward

This is a big step forward for a $120 million project creating a modern traffic interchange in a busy area northwest of Tucson.

Image of snowy roads from ADOT camera

02/23/2017

Throwback Thursday: Slushy Scottsdale roads

We're throwing it back to February 2013, when drivers encountered a wintry mix on Phoenix freeways.