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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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03/02/2016

ADOT Twitter followers key to success

We’re still so excited about yesterday’s big news that we’re going to blog about the social media milestone for another day.
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Bird in hard hat holding sign for 100,000
03/01/2016

ADOT Twitter account reaches major milestone: 100,000 followers

On Monday, ADOT surpassed 100,000 followers on Twitter! Take a look at some of our more memorable Tweets!
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Hell Canyon bridge construction
02/26/2016

Building a Freeway: Girder Placement on Hell Canyon Bridge

Check out our new video showing how crews place massive girders for the new Hell Canyon Bridge.
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A bridge under construction with a crane, surrounded by dirt and rocks under a clear blue sky.
02/24/2016

Engineers Week celebrates the people and projects that keep Arizona moving

Engineers are kind of a big deal here at ADOT.
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Old photo of US 89 construction
02/18/2016

From the Archives: US 89

Arizona Transportation History reports gives a look at the history of US 89.
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Fortuna Wash Bridge on US 95.
02/17/2016

ADOT project creating more reliable link to key Yuma County employer

Residents will have a more reliable link with Yuma County’s largest employer, Yuma Proving Ground, thanks to a 600-foot bridge ADOT is building across a flood-prone section of US 95.
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Diagram showing cars merging in a zipper pattern at cones, with Zipper Merge text in the corner.
02/11/2016

ADOT tries out a different method for merging

The zipper merge is being piloted by ADOT to reduce construction travel delays on I-10, east of Tucson.
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ServiceArizona homepage
02/10/2016

See how more people are avoiding lines at MVD

Out of 3.7 million vehicle registration renewals that were completed in Arizona during 2015, a whopping 60.2 percent of them – roughly 2.2 million – were handled online through ServiceArizona.com.
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Tow plow clears snow from a highway
02/03/2016

Busy snowplow drivers kept roads open during recent storm

When Arizona’s latest winter storm hit Sunday evening, ADOT crews went into high gear.
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A small white dog lies on a black chair, looking up with a calm expression as a person gently pets its back.
01/27/2016

Pup rescued from SR 51 has a good home in her future

A little dog that made her way onto SR 51 during Monday evening’s rush hour and miraculously avoided being hit by traffic now has a good home in her future.
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