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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

From the Rearview Mirror
11/24/2014

From the Rearview Mirror: Landform Graphics

There’s a lot of interesting content in our early blog posts, which is why we’re looking back and highlighting some of our favorites in a new series called, “From the Rearview Mirror.”
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Public Meeting sign in front of building entrance
11/21/2014

ADOT meetings offer a chance to provide your input

Input from the public helps to shape ADOT projects.
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11/20/2014

Cameron roadway improvement project moves ahead

Work continues on the US 89 Cameron roadway improvement project in northern Arizona.
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Traffic school from 1973
11/19/2014

From the Archives: Traffic School

Take a look back at what traffic school was like in 1973.
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Blast on US 89 and text explaining the frequency
11/14/2014

Building a Freeway: Moving a Mountain

Ever wonder what it takes to move one million cubic yards of rock and dirt?
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11/13/2014

Be prepared: steps for obtaining a driver license or identification card

Our newest infographic shows you the steps for getting your new driver license or identification card.
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Travel times on freeway message board
11/12/2014

Commute times coming to more Phoenix-area freeway message signs

The number of electronic message boards displaying commute times is due to increase to 76 by late this year.
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Image of deadman anchors
11/05/2014

Transportation Defined: Deadman Anchors

While their name might sound somewhat morbid, Deadman Anchors are actually nothing to be afraid of. In fact, they’re very handy on a project site.
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construction on the 101
11/04/2014

Project timelines explained

A couple of improvement projects happening right now on the Loop 101 and the Loop 202 are seemingly similar, but each has their own distinct timeline.
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Pedestrian crossing road sign
10/31/2014

‘Ghoulish’ traffic can occur during Halloween afternoon rush hour

Drivers are advised to plan for extra travel time this afternoon during what is often a “scary” commute due to heavier-than-usual traffic on Halloween.
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