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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

03/15/2019

We've been redecorating for Grand Canyon National Park's centennial

Crews are out putting up new signs celebrating 100 years of Grand Canyon National Park.
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SR96 pipe construction
03/14/2019

TBT: More than a pipe dream on State Route 96

We are throwing back to a reconstruction project in the 1970s of one of the state's lesser-used highways.
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511 map showing callout with camera image
03/13/2019

Big change but same purpose for az511.gov

We've launched a redesigned az511 website and phone line to better give individual drivers the information they need for the routes they drive.
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03/12/2019

We've made it easier for volunteers to help keep highways free of litter

An easy-to-use interactive map now available on our Adopt a Highway website shows which stretches are in need of volunteers.
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Bridge under construction
03/11/2019

Want to see what we're doing? Then check us out on Flickr

Thanks to the work of our photographers, ADOT's Flickr page has more than 9,000 pictures of highway projects from the last six years, which have been viewed more than 6 million times.
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Speed Reduced Ahead road sign
03/08/2019

How to keep drivers, crews safe in work zones

Work zones go hand-in-hand with freeways. We want everyone - including our crews - to get home safely, so here are a few tips on how to navigate construction zones.
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03/07/2019

TBT: The technology upgrades of yesteryear

Recently ADOT switched to using Google for our email services. While a big switch, it has nothing on two phone projects the agency took on in the late 70s and early 80s.
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Hazard road sign
03/06/2019

Driving Safety Home: Strategic Highway Safety Plan update

ADOT is updating the Strategic Highway Safety Plan with a renewed emphasis. You can read more about it.
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03/05/2019

Bridging the past with the future on I-10

Take an interactive before-after look at a bridge demolition that's part of a project building a wider I-10 between Eloy and Picacho in central Arizona.
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Workers pouring concrete bridge deck at night
03/04/2019

Why not do all work at night? Here are some reasons

It's a common question - why isn't all construction done at night? There are actually a number of factors weighing into what work can be done at night and what needs to be done during daylight.
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