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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A Superior state of mind along US 60

A little bit of everything is a reason to visit the town of Superior, off US 60.

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Snow falls heavily on pine trees in a wintry forest; “Prayers for Snow” essay title appears on the right.

11/06/2020

No matter where you are, Arizona Highways brings a piece of home

Arizona Highways is read and loved around the world, which is why it came as no surprise that it has receive yet more accolades.

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Truck drives past message board in I-10 dust detection system

11/04/2020

Dust detection and warning system tracks its first season

Though 2020 had a 'nonsoon,' it did give us a good trial for our innovative new dust detection and warning system on Interstate 10 between Phoenix and Tucson.

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Four examples of highway designation signs with different colors

11/03/2020

A colorful chapter in state transportation history

Sixty years ago, Arizona drivers encountered highway signs that were a little more splashy.

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A large sign reads Welcome to Seligman, Birth Place of Historic Route 66 with mountains and blue sky in the background.

10/30/2020

You can still get your kicks

The world famous Route 66 may have been decommissioned 35 years ago, but here in Arizona you can still cruise through some of those memories.

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Van uses exit ramp at Grand Avenue interchange with 35th Avenue.

10/29/2020

We want your help to improve the Grand/35th avenues intersection

What would you like to see happen at Grand and 35th avenues? We have some ideas, but want to hear from you as part of an improvement study in the area!

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