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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The mysterious disappearance of the Miami-Superior Highway plaque

What became of a plaque installed to commemorate the 1922 opening of a highway that's no longer in use?

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Public restroom with tiled walls and floors, two sinks with a soap dispenser, and several open stalls separated by partitions.

06/03/2019

We've had some good water-saving ideas. How about you?

Water conservation is something all of us should practice. Here is what ADOT is doing to use less water.

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06/02/2019

Where in AZ??

Get your thinking cap on and let us know "Where in AZ??" this photo was taken.

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05/31/2019

Quick-acting maintenance crew returns lost dog to owners

Early in the morning on Sunday, May 19, ADOT Maintenance Supervisor Brett Rupp was driving west on SR 260 along the Mogollon Rim east of Payson when he spotted something out of the ordinary. A Shetland sheepdog, more commonly referred to as...

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Frances Walker works at a drafting board.

05/30/2019

Throwback Thursday: The Arizona Highway Department’s first female engineer

More than 60 years ago, Frances Walker became the first female engineer with the Arizona Highway Department. Here is what highway engineering looked like back then.

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05/29/2019

The case of US 70's missing 12 miles

We may not have solved this mystery, but we have a pretty good guess as to why numbers on mile markers jump suddenly between Bylas and Safford.

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Crew members work on deck of Pinnacle Peak bridge

05/28/2019

Take a look at I-17 interchange projects on the rise

Piers and bridge abutments for the new interchanges at Pinnacle Peak and Happy Valley roads are currently going up, so take a look at some of the work happening right now.

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