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Quarterly volunteer adoptions background
03/07/2026

Meet the volunteers beautifying Arizona roadsides

These are just a few examples of the efforts made by our growing team of volunteers. See who's volunteering in your community and the accomplishments already being made to reduce litter.
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Website poster for ways to tour Route 66
03/06/2026

Route 66 centennial: Ways you can join a year of celebration

While Route 66 was officially decommissioned in the 1980s and replaced in Arizona by I-40, its centennial is a big deal for those of us in the highway business. In this post, we're pointing you to some of the ways Arizona cities and towns are celebrating:
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Map of Loop 303 project in North Valley
03/01/2026

PODCAST: Big Loop 303 improvements underway in the North Valley

Joe Heller, our resident engineer on a big project getting underway in the North Valley, joins On the Road With ADOT this week to explain what's coming over the next two and a half years, including a flyover ramp connecting northbound I-17 with Loop 303.
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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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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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08/06/2017

Where in AZ??

Join our weekly challenge and let us know if you know "Where in AZ??" we took this photo.
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Buckled Up? So Good! So Good! So Good!
08/04/2017

What do Metallica, Neil Diamond and Ed Sheeran have to do with traffic safety?

Here's why many of our dynamic message signs will display music-themed safety messages this weekend.
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08/03/2017

Art of Transportation: Perspective is everything

An unusual perspective on construction in Tucson is featured in this week's Art of Transportation.
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Satellite-mapping image showing where new State Route 287 interchange will be built with Interstate 10.
08/01/2017

Step aside: Making improvements without giving drivers a roadblock

Two big projects are ahead, but the impact during construction should be minimal.
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Old Seatbelt sign held by three men
07/31/2017

From the Archives: 1970s safety messages

Many have taken notice of the safety messages on ADOT's overhead message boards, but the agency has been trying to get drivers' attention for many years.
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07/30/2017

Where in AZ??

If you know, "Where in AZ??" we took this photo, join our Facebook challenge!
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