ADOT Blog

Latest blog articles

01/18/2026

PODCAST: The partnership driving Phoenix-area freeway improvements

The Maricopa Association of Governments' Chief Transportation Officer returns in this week's episode to discuss how Proposition 400 has shaped the region's sucess through projects such as the recently completed I-10 Broadway Curve improvement, the Loop 202 (South Mountain Freeway), Loop 303 (Estrella Freeway) and State Route 24 (Gateway Freeway).

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01/16/2026

The 10 most popular specialty license plates in Arizona for 2025

Whether a driver wants to support a cause, rep their team or just add a pop of color to their car, with 109 specialty license plates available in Arizona, there’s a little something for everyone. And specialty license plates are more...

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New striping at northbound I-17 exit to Loop 303

01/15/2026

MAG partnership helps ADOT make quick freeway improvements in Valley

A much-needed second lane at the northbound I-17 exit to Loop 303 results from funding flexibility provided by the Maricopa Association of Governments, the Phoenix area's regional transportation planning agency.

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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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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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05/05/2019

Where in AZ??

Unusual rock formations are common in this part of the state. Join this week's "Where in AZ??" challenge.

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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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