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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.
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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...
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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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Popular blog articles

Historic photo of workers viewing trench at project site
12/21/2022

Wayback Wednesday: Mystery men of 1990s era ADOT

This archived photo shows the Red Mountain Freeway in its development.
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A graphic showing ADOT workers maintaining roads, with signage for preservation, modernization, and expansion as part of the 2050 Long-Range Transportation Plan.
12/14/2022

Your input is needed for the long-range transportation plan: A roadmap for ADOT’s future

Share your thoughts about how ADOT should plan for the future. Participate in the Long-Range Transportation Plan survey through Dec. 21.
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12/08/2022

Adopt a Highway: Is your puzzler sore?

Thank you to volunteers who help keep our villages and not-so-pointy mountains litter-free.
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Construction worker next to materials
12/01/2022

Throwback Thursday: Construction of Loop 202 Red Mountain Freeway

Today, we throw it back to a Red Mountain Freeway in progress.
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Traffic in Interstate 10 Broadway Curve construction zone
11/29/2022

The word on the street is the shoofly is in, at least temporarily

Yes, "shoofly" is a transportation term, too.
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Prescott courthouse
11/29/2022

Behind the Place Name: Prescott

We hear about these places all the time. But how did they get their names?
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A green tent set up in a grassy area surrounded by trees; cover of Arizona Highways Camping Guide book.
11/19/2022

Nov. 19 Camp Day: What's your favorite Copper State campground?

Don't miss our latest survey!
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Cody Smith with his Incident Response Unit vehicle
11/17/2022

Shining the spotlight on our Incident Response Unit during Crash Responder Safety Week

It’s Crash Responder Safety Week and, here at ADOT, we’re spotlighting a team that responds to incidents and help improve safety by getting traffic moving sooner after crashes and other incidents occur. We are, of course, referring to our...
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Demolished roadway concrete pieces to be reused
11/15/2022

Waste Not: Reusing materials from the past to build for the future

Asphalt millings, concrete, metal and steel are the most common types of construction waste; but the Broadway Curve project team has future plans for all of them.
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11/11/2022

ADOT protecting native plants along I-17 as part of Improvement Project between Anthem Way and Sunset Point

Crews are removing viable native vegetation along the 23-mile I-17 improvement project corridor so it can be cared for and closely monitored during construction, then eventually replanted alongside an improved wider highway.
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