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.

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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...

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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...

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Highway History: State Route 89 from Wickenburg to Ash Fork

A segment of the original US 89 was designated as a historic road in part because it was the first north-south road across Arizona.

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08/06/2017

Where in AZ??

Join our weekly challenge and let us know if you know "Where in AZ??" we took this photo.

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08/04/2017

What do Metallica, Neil Diamond and Ed Sheeran have to do with traffic safety?

Here's why many of our dynamic message signs will display music-themed safety messages this weekend.

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08/03/2017

Art of Transportation: Perspective is everything

An unusual perspective on construction in Tucson is featured in this week's Art of Transportation.

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Satellite-mapping image showing where new State Route 287 interchange will be built with Interstate 10.

08/01/2017

Step aside: Making improvements without giving drivers a roadblock

Two big projects are ahead, but the impact during construction should be minimal.

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07/31/2017

From the Archives: 1970s safety messages

Many have taken notice of the safety messages on ADOT's overhead message boards, but the agency has been trying to get drivers' attention for many years.

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