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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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AAH volunteer group
08/05/2026

Route 66 Centennial cleanup

Join us for a special cleanup along a stretch of Arizona’s legendary Route 66 also known as the Mother Road, Main Street of America and the Will Rogers Highway.
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Popular blog articles

08/17/2017

Don’t cast a shadow on safety

Enjoy the upcoming eclipse, but make sure you're doing it safely.
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08/16/2017

Art of Transportation: Craning to see the moon

ADOT photographers look to the sky for this week's Art of Transportation installment.
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Arizona Highways Magazine cover thumbnails
08/15/2017

Behind the scenes at Arizona Highways, still going strong after 92 years

After more than 90 years, Arizona Highways magazine isn't showing its age - it's continuing to change with the times.
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08/14/2017

Replacing wiper fluid jugs with tablets saves money - and more

This video explains how one employee's suggestion on wiper fluid has paid big dividends at our vehicle maintenance shops.
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08/13/2017

Where in AZ??

If you've driven past this location in Arizona, be sure the join our Facebook challenge!
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ADOT employee photographs damage to SR 366 bridge
08/11/2017

A bridge to better picnicking on Mount Graham

Quick work by ADOT crews and other agencies helped reopen a popular picnic area on Mount Graham.
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Straddle bent viewed from a distance on Interstate 10 in Phoenix
08/10/2017

The straddle bent: Where freeway infrastructure meets art

A structure known as a straddle bent will be part of the South Mountain Freeway/I-10 Papago Freeway interchange. Take a look at straddle bents in use elsewhere.
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Highway Scene I-40
08/09/2017

Rebuilding five miles of I-40 for a better winter ride

Starting this week, we’re rebuilding this stretch of I-40 starting with a new foundation. It’s a long-term fix for the damage winter wants to cause the roadway every year.
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08/08/2017

It's wise to plan ahead, even with 2020 a few years off

As of Oct. 1, 2020, the federal government will require your driver license or ID to comply with the REAL ID Act if you want to use it to enter an airport or other federally controlled facility.
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Historic photo of Highway 89 near Prescott
08/07/2017

Highway History: State Route 89 from Wickenburg to Ash Fork

A segment of the original US 89 was designated as a historic road in part because it was the first north-south road across Arizona.
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