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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

Scouts assembled for cleanup
11/25/2020

Scouts do a good turn by cleaning up SR 87 for Day of Service

Who better to set a good example and help clean a stretch of highway than the Boy Scouts?
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Three unfinished concrete bridge supports stand on a dirt embankment under a clear blue sky, with stylized monarch butterfly patterns visible on the closest pillar.
11/24/2020

Monarch butterflies take flight in SR 189 construction

Does the new interchange at SR 189 and I-19 give you butterflies too? Learn why and how monarch butterflies are being incorporated into the design.
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Traffic Incident Management Training
11/20/2020

From the Director: Traffic incident management requires cooperation from everyone, all-year round

You may have seen the message to quickly clear on our overhead signs, but ADOT Director John Halikowski talks about how that simple message helps everyone get Safely Home.
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Blue diamond art on wall
11/19/2020

Art of Transportation: Blue mountains mirror real thing

Art imitates life in this shot from the recently finished project to improve Interstate 19 at Ajo in Tucson.
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Milton Road study corridor map
11/18/2020

Help us develop a vision for two vital corridors in Flagstaff

We are looking out how to improve two important corridors in Flagstaff and we need your help to do it.
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MVD help screen
11/17/2020

Have MVD questions? Chatbot has answers

AZMVDNow has introduced a new feature to help you find the service you need.
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A concrete bridge crosses a rocky canyon
11/13/2020

Old US 60 bridge shows original way to cross Queen Creek

The trip east from Superior on US 60 used to be a lot different, but the need to cross Queen Creek is timeless.
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A construction worker in safety gear secures a large steel beam with bolts on a bridge structure while a crane and other equipment are visible nearby.
11/12/2020

Strength in numbers: Steel girders placed for I-17 bridge project

They say there is strength in numbers - and that is especially true when it comes to the girders used for bridges like the one on Interstate 17 over Central Avenue.
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Photos of four highways honoring Native American veterans
11/11/2020

Highways in northeastern Arizona honor Native American veterans

There are many highways in Arizona named in honor of veterans, but portions of three in the northeast part of the state seek to honor Native Americans who have served in the military.
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Map of US 80
11/10/2020

US 80: Mother of Arizona highways

It's long gone, but you can still see the legacy of old US 80 across the southern half of Arizona virtually everywhere.
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