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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

07/25/2018

Signaling a commitment to southeast Pima County

We’re replacing stop signs at the ends of exit ramps at Rita, Wilmot and Kolb roads to move traffic more efficiently in a growing area.
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Workers build freeway soundwall amid extreme heat
07/24/2018

Highway workers have tips for coping with Arizona’s blistering heat

Steps ADOT crews and contractors' employees take when the temperature blows past 110 can help keep you safe as well.
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Specialty plate compilation
07/20/2018

From the Director: Making transportation personal, one specialty plate at a time

Specialty plates bring in millions for cancer research, veteran's services and other worthy causes.
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07/18/2018

From any perspective, I-10 widening projects are about safety

Check a video offering bird's-eye views of progress we're making on widening two stretches of I-10 in Pinal County.
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Deck Park Tunnel fans
07/17/2018

We’re big fans of the Deck Park Tunnel’s big fans

The Deck Park Tunnel is more than a way to get cars from point A to point B. Vent rooms with giant fans are ready to keep fresh air flowing when needed.
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View of distant storm over grassland
07/16/2018

Driving Safety Home: Being prepared for summer weather can make all the difference

Summer has arrived. From extreme temperatures to extremely strong storms, we all need to know how to handle summer in Arizona.
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Truck involved in freeway incident
07/13/2018

Friday Five: With skidding cars and smashed melons, we look back through the years

What do smashed melons, historic dust storms and skidding cars have in common? They're all featured in this week's #FridayFive.
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Black and white image of a man with a camera standing in front of a car that has a "Caution: Skid Research" sign on the bumper
07/12/2018

Throwback Thursday: Testing pavement friction in 1977

We're going back to 1977 and showing you a unique vehicle used to test the wet friction characteristics of a road.
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Melons in the Deck Park Tunnel
07/11/2018

Wayback Wednesday: Spilled fruit spoils drive through the Deck Park Tunnel

If you regularly travel through the Deck Park Tunnel, you'll probably remember this crash from 2013.
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Trucks on highway
07/10/2018

From the Director: Helping truck drivers find public parking at rest areas

ADOT joins other DOTs in seeking a federal grant to develop a program alerting commercial truck drivers to available public parking at I-10 rest areas.
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