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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

Map showing a proposed transportation corridor in Arizona, with routes connecting Buckeye, Casa Grande, and Tucson, and labeled preferred and optional alternatives.
07/20/2021

I-11 study hits milestone

ADOT Director Halikowski shares an important milestone for Interstate 11.
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07/19/2021

Adopt a Highway: Outstanding volunteers beautify Interstate 40

One Adopt a Highway volunteer was inspired to serve his community during his daily drive to work.
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07/16/2021

The shortest US highway in Arizona

There are eleven US Highways in our state. Which one runs the least amount of miles?
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Black and white historic image of Flagstaff
07/15/2021

Throwback Thursday: A snow-saturated Flagstaff

Take a respite from the high heat and go back in time to lower temperatures.
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07/13/2021

Adopt a Highway: What are those Adopt a Highway signs all about?

You may have noticed them while traveling on the interstate, state highways in Arizona. Adopt a Highway recognition signs bearing the name of a volunteer group, a loved one memorialized or a local business sponsoring litter cleanup are all...
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A microfilm reader with reels of microfilm and papers on a nearby table in a dimly lit room.
07/12/2021

Preserving ADOT's historic photogrammetry films

ADOT's photogrammetry library is a relic from before modern technology. But it's worth preserving, which is what is happening now.
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Forest fire.
07/09/2021

ADOT ready to respond after wildfires

Once wildfires come to an end, drivers should be on the lookout for flash flooding and other road hazards in areas with burn scars. If issues do occur, ADOT crews are ready to respond.
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A white envelope from ADOT Motor Vehicle Division with a window showing an address, marked License Plate and Registration Card Enclosed on a black textured surface.
07/08/2021

There’s more than a license plate in that envelope

When you get your license plate in the mail, be sure the check the entire envelope!
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Construction workers build the Rio de Flag Bridge in Flagstaff Arizona. A public transit bus and traffic barriers are visible in the background.
07/06/2021

Rio de Flag Wash bridge in place using innovative method

If you haven't had a chance to drive over new Rio de Flag bridge, we have a preview of what you'll see once you do along with the work that went into making it happen.
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07/01/2021

Adopt a Highway: Volunteers make lemonade

Volunteers often make lemonade out of lemons.
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