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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

Closeup of helicoil
06/20/2019

Throwback Thursday: I-10's rejected helicoils

The Deck Park Tunnel has been a planned feature for Interstate 10 through Phoenix since the 1980s. But before that, concepts included something a little more interesting.
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Hydrovac Truck
06/19/2019

ADOT's hydrovac helps keep things flowing

Litter is no joke, neither is the effort necessary to keep our 59 pump stations along Valley freeways clean and maintained. That's where ADOT's hydrovac comes in.
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Tire treads removed from freeways
06/18/2019

As temperatures rise, look out for 'gators' on the highway

As summer temperatures climb, so does the number of "road gators" we see on state highways.
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Drive like the person your dog thinks you are
06/17/2019

From the Director: Man's best friend safety message wins ADOT contest

Drive safely on the roads this week. Make your dog proud.
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Large items removed from freeways
06/14/2019

Driving Safety Home: Once again, secure your load

What part of driving safely happens before you even get behind the wheel? Dallas Hammit, ADOT's state engineer, explains something we all should do.
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Black and white historic image of car on SR 88
06/13/2019

Throwback Thursday: State Route 88

SR 88 is more than just the road to Canyon Lake. More than a century old, this curving highway was instrumental in the construction of Roosevelt Dam.
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I-17 Flex Lane Map
06/12/2019

State budget provides for full I-17 improvement north of Valley

See a video showing what's coming to this busy freeway between Anthem and Sunset Point.
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Dust cloud crossing freeway
06/11/2019

From the Director: Don’t let dust get in your eyes

It's almost monsoon season, which also means dust storms. Our director shares his thoughts about safe driving during this time of year.
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A roadside sign reads In Memory Mom Dad Tom Schlecht above a sign showing the outline of Arizona and text ADOT Adopt a Highway. Cloudy sky in the background.
06/10/2019

Make dad proud by adopting a highway

Adopting a highway can be a great way to honor a special person while also beautifying our state.
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Debree on freeway seen from traffic camera
06/07/2019

Secure your load: A PT Cruiser's roof, a sofa and twine don't mix

Following up on Arizona Secure Your Load Day, a driver's jaw-dropping experience at an intersection prompts a reminder that a little common sense can help keep everyone safer.
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