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Adopt a Highway volunteer lineup
06/12/2026

The heat is on: Safety tips for volunteers

Read about safety precautions for Adopt a Highway volunteers and anyone planning to enjoy the Arizona outdoors this summer.
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Arizona Wallet
06/11/2026

Arizona Wallet adds more features and functions

The Arizona Wallet app can now alert you when your vehicle registration is about to expire, directly on your smartphone. To learn more about the Arizona Wallet and the other digital wallet options available in Arizona, please visit azdot.gov/DigitalIDs.
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Photo from the Loop 101: Princess Drive to Shea Boulevard project.
06/10/2026

ADOT wins 5 awards for excellence in transportation partnering

The winners of the 2025 Arizona Transportation Partnering Excellence Award have been announced, and ADOT received five awards for roadway construction partnerships. The annual competition recognizes partnering processes and achievements...
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Popular blog articles

A white semi-truck drives under a concrete overpass under construction, with cranes and unfinished sections visible; blue sky with scattered clouds above.
05/15/2019

Infrastructure Week: Keeping traffic flowing is a straddle bent's job

When a pier needed to support a ramp would otherwise need to be in the middle of travel lanes below, ADOT engineers call on this support structure that straddles traffic.
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Construction workers and machinery lay concrete barriers on a multi-lane highway with traffic signs and equipment visible along the road.
05/14/2019

Infrastructure Week: Consider the Jersey barrier

Here's a look at the simple engineering behind the ubiquitous work zone concrete barrier.
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05/13/2019

40th Street improvements begin immediately for South Mountain Freeway

South Mountain Freeway crews are wasting no time moving onto the final phase of construction for the 40th Street traffic interchange in Ahwatukee.
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Queen Creek Tunnel
05/13/2019

Infrastructure Week: Let us count the ways

What does infrastructure mean when it comes to Arizona's highway system? Here are some numbers.
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State Route 67 with snow off to the sides
05/10/2019

Highway History: State Route 67

State Route 67, also known as the Jacob Lake to Grand Canyon Highway, is one of Arizona's most scenic summer drives.
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Black Canyon Highway ribbon cutting
05/09/2019

Throwback Thursday: How I-17 came to be

Interstate 17, the Black Canyon Highway, was dedicated 55 years ago. Here's the story behind this important north-south link.
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Loaded timber truck is moving across a highway
05/08/2019

ADOT, partners helping reduce risk of catastrophic wildfires

Five years ago, ADOT helped launch the Health Forest Initiative to help prevent large wildfires and protect infrastructure. Now we're expanding that effort.
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05/07/2019

Retiring ADOT engineer leaves big legacy of 'little things'

Beyond his work as a civil engineer with ADOT's operation serving northeastern Arizona, Kee Yazzie was a key contact with Native American communities.
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05/06/2019

Counting down to the final tasks at I-10 and Ina Road

Check out a slideshow and get an update on our progress finishing the final touches on a project that's improving mobility and safety in fast-growing Marana.
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Students watch ADOT workers test materials on a table.
05/04/2019

Students get hands-on look at science behind highways

A visit to the ADOT Materials Lab in Phoenix demonstrated how what taught in science, technology, engineering and mathematics helps those who build and maintain state highways.
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