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

11/19/2017

Where in AZ??

If you're an avid Arizona traveler, then this challenge is for you!

11/17/2017

From the Director: Bringing awareness to traffic incident management

National Traffic Incident Management Week is here and it's important to know what to do in a minor crash, both for your safety and others on the road.

Old photo of Black Canyon Freeway and Thomas Road

11/16/2017

From the Archives: Black Canyon Highway at Thomas

Our blog series "From the ADOT Archives" takes you back to downtown Phoenix in 1960.

11/15/2017

Do you know what to do in these situations?

Think you know the best course of action when you encounter an incident on the highway? Take our quiz and find out.

Service Arizona homepage

11/14/2017

ServiceArizona.com: 20 years of getting you out of line and safely on the road

What processes 2.6 million vehicle registration renewals each year and is celebrating a birthday? It's ServiceArizona.com.

11/12/2017

Where in AZ??

This sign is a sure clue to the correct location in our "Where in AZ??" Facebook challenge.

11/09/2017

Speed limits lowered on I-17 near Black Canyon City during Veterans Day weekend

Drivers taking I-17 this holiday weekend are urged to avoid driving distracted, obey speed limits and make smart decisions behind the wheel.

Ringtail cat hiding in rebar at Ina Road project.

11/08/2017

A visit from Rocky helps mark milestone for Ina Road/I-10 project

The Ina Road interchange was progressing without any surprises until a furry visitor make an unexpected appearance.

Graphic promoting free travel app

11/06/2017

Five tips to ensure you’re ‘appy’ with the ADOT app

You've probably heard about the new ADOT app for unplanned major traffic incidents. Now we have tips to fine tune the app to suit your needs.

11/05/2017

Where in AZ??

This sign is a clue to our "Where in AZ??" Facebook challenge, but not the answer!