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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Seriously, don't park in tall grass

Those signs saying don't park in tall brush or don't drag chains? There's a serious reason for them.

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07/09/2019

Art of Transportation: Snapshot of a snapshot

Today's Art of Transportation photo is a meta-level look at our project on I-17 and Pinnacle Peak.

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Historic photo showing installation of dust storm alert system sign

07/08/2019

Driving Safety Home: Agency has long history of dust storm safety efforts

Building on efforts across the decades, we’re working on a dust detection and warning system on I-10 near the community of Picacho.

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07/07/2019

Where in AZ??

Join the herd and take our "Where in AZ??" challenge!

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07/05/2019

The highly improbable story behind a shocking 511 image

If lightning never strikes the same place twice, we're glad an ADOT weather camera was able to catch this one-in-a-million shot of a strike near Holbrook.

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Two people work on the wing of a vintage Grand Canyon airplane parked on an airstrip under a clear sky.

07/03/2019

Aeronautics Group helped make us ADOT, continues serving airports

In 1974, the Arizona Highway Department and the Arizona Aeronautics Department merged to become ADOT. Today our Aeronautics Group continues to serve airports statewide.

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07/02/2019

From the Director: 45 years and counting

Since 1974, ADOT has combined functions once handled by the Arizona Highway Department, the motor vehicle services agency and the Arizona Aeronautics Department.

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Installation of Arizona Department of Transportation building sign

07/01/2019

Becoming ADOT 45 years ago today broadened our focus beyond highways

The big reorganization brought with it many new responsibilities for the department, including the addition of several new divisions.On July 1, 1974, the Arizona Highway Department officially became the Arizona Department of Transportation...

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