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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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Popular blog articles

04/21/2017

Art of Transportation: It's a dirty job

If there's one job most can agree is dirty, road construction is usually it. Today's Art of Transportation photo highlights this.
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Diagram showing cars using a zipper merge at a lane closure, with traffic cones blocking one lane and vehicles alternating to merge into the open lane.
04/20/2017

Zipper merge: In the right situations, two lanes can be better than one

The zipper merge is simple technique used when two lanes reduce to one and it'll soon be implemented on Interstate 10 in western Arizona.
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04/19/2017

Coming Friday: Winners of ADOT’s Safety Message Contest

The winners of the ADOT Safety Message Contest will revealed on Friday!
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Sun-shielding netting on transplanted saguaros along a freeway
04/17/2017

'Sunscreen' spares transplanted saguaros from sunburn

If you've noticed black netting on some saguaros transplanted along the Loop 101 Pima Freeway, here's an explanation.
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04/16/2017

Where in AZ??

Join us our Facebook trivia challenge and tell us "Where in AZ??" this photo was taken.
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04/14/2017

Art of Transportation: Hoover Dam

The Art of Transportation gives you a lesser-photographed view of Hoover Dam.
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04/13/2017

Throwback Thursday: First Arizona license plates

We're taking a look back at Arizona's first license plates and how plates have changed over the years.
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A group of people sit around tables in a meeting room, discussing and writing on large sheets of paper.
04/12/2017

No "I" in team or in ADOT Partnering

Award recognizes transportation teams for successfully working together to deliver on time and on budget construction projects.
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04/11/2017

Maricopa's bridge project: Take a virtual helicopter ride into the future

We're taking you on a virtual drive and flight over SR 347 in Maricopa to look at the new bridge and alignment scheduled for 2019
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04/10/2017

From the Director: ADOT offers latest South Mountain Freeway virtual tour online

ADOT Director John Halikowski highlights key design features of the new South Mountain Freeway and encourages you to take a virtual tour of the freeway.
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