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Image of USPS stamp pane featuring eight different stamps.
05/05/2026

ADOT’s director helps dedicate Route 66 postage stamps

The Route 66 centennial is a big deal here at the Arizona Department of Transportation. That’s why our director, Jennifer Toth, gave opening remarks today at a U.S. Postal Service ceremony in Phoenix dedicating stamps honoring the historic route’s 100 years as of this coming November.
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Image showing rendering versus actual photo of a portion of the I-40/US93 interchange in Kingman
05/05/2026

Renderings vs. reality at I-40/US 93 interchange in Kingman

When ADOT commissioned a bird’s eye video rendering of the I-40/US 93 interchange project in Kingman, we never could have imagined there’d be an opportunity to see just how realistic the images would turn out when viewed from above.
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Cars driving on a highway.
05/04/2026

Summer is almost here. It’s time to prep your vehicle for the heat

If you live in Arizona year-round, there’s one thing for certain: You cannot escape the summer heat. Sometimes, we can’t even escape summer-like temperatures in March. But, during Heat Awareness Week (May 4-8), ahead of the brunt of summer...
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Photo of pedestrian hybrid beacon and cars
07/28/2020

ADOT's pedestrian hybrid beacon study wins national award

An ADOT study on traffic control devices to help pedestrians cross a street or highway has received a national award.
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Map showing mileposts in the Gila Bend area
07/27/2020

Why mileposts on State Route 85 are both coming and going

State Route can't seem to decide whether its coming or going. We dive into while the route from Phoenix to Lukeville is numbered in two contrary ways.
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An excavator demolishes the top of a concrete bridge.
07/24/2020

Creative destruction in process on I-17 at Central Avenue

See the demolition that will lead to a better bridge on I-17 over Central Avenue.
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Mule Pass Tunnel
07/23/2020

Throwback Thursday: Hollywood magic at Mule Pass Tunnel

Did you know that Mule Pass Tunnel near Bisbee had a cameo in a major Hollywood motion picture? It's true, and let us tell you about it.
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Indian Gardens historical marker
07/22/2020

Stop to smell the roses and read this SR 89A historic marker

It isn't exactly news that history abounds along Arizona highways. A casual driver can learn about historical figures ranging from Hi Jolly to Tom Mix by visiting various historical markers and monuments. But what might be news to you, as...
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Arizona 1932 license plate with the number V1T1 in white letters on a copper background.
07/21/2020

Celebrating the short-lived copper license plate

It was 89 years ago that the Arizona Highway Commission decided to help out local industry by making copper license plates.
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07/20/2020

On this day in 1996, much of SR 87 became Duthie-Martin Highway

The name of the route commonly called the Beeline Highway was officially changed to the Duthie-Martin Highway in honor of two law enforcement officers who lost their lives on the road in the line of duty.
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Crash Facts report cover
07/17/2020

Driving Safety Home: Taking responsibility behind the wheel

State Engineer Dallas Hammit breaks down the good news from the recently released 2019 Motor Vehicle Crash Facts.
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Bridge work at US 60 on Pinto Creek
07/16/2020

Art of Transportation: Up, up and away

Things continue to look up for our project on US 60 at Pinto Creek.
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Image from bridge slide video
07/15/2020

Everything to slide into place for Fourth Street bridge project in Flagstaff

Starting this weekend, crews are going to be “sliding” the new Fourth Street bridges over I-40 into place using an innovative method that saves a lot of time on bridge projects. The bridge slide method is a technique that basically moves...
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