ADOT Blog

Latest blog articles

ASU student checks irrigation along highway.

03/23/2026

ADOT partnership with ASU aims to optimize landscape water use

We're highlighting an ASU News article features a partnership that’s helping ADOT learn how to optimize water use in freeway landscaping. The ADOT Urban Freeway Landscape Water Use Efficiency Project nvolves graduate students who are part of ASU’s Arizona Water Innovation Initiative

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03/17/2026

Get involved: Join us for an Earth Day litter clean-up

Adopt a Highway volunteer groups and others are invited to help tidy up along state highways for Earth Day. Whether you are a seasoned volunteer or just looking to make a difference, your participation makes a measurable impact toward reducing roadside litter.

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03/15/2026

PODCAST: One key way that ADOT extends the life of highway pavement

This week’s episode of On the Road With ADOT features two of our many team members involved in preserving Arizona’s vast investment in state highways and the use of fog seals to extend pavement life.

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Turning back the pages on Carefree Highway's top 10 hit

Did you know there's a connection between an Arizona highway and Canadian folk singer Gordon Lightfoot?

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Photo of pedestrian hybrid beacon and cars

07/28/2020

ADOT's pedestrian hybrid beacon study wins national award

An ADOT study on traffic control devices to help pedestrians cross a street or highway has received a national award.

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Map showing mileposts in the Gila Bend area

07/27/2020

Why mileposts on State Route 85 are both coming and going

State Route can't seem to decide whether its coming or going. We dive into while the route from Phoenix to Lukeville is numbered in two contrary ways.

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An excavator demolishes the top of a concrete bridge.

07/24/2020

Creative destruction in process on I-17 at Central Avenue

See the demolition that will lead to a better bridge on I-17 over Central Avenue.

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07/23/2020

Throwback Thursday: Hollywood magic at Mule Pass Tunnel

Did you know that Mule Pass Tunnel near Bisbee had a cameo in a major Hollywood motion picture? It's true, and let us tell you about it.

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07/22/2020

Stop to smell the roses and read this SR 89A historic marker

It isn't exactly news that history abounds along Arizona highways. A casual driver can learn about historical figures ranging from Hi Jolly to Tom Mix by visiting various historical markers and monuments. But what might be news to you, as...

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Arizona 1932 license plate with the number V1T1 in white letters on a copper background.

07/21/2020

Celebrating the short-lived copper license plate

It was 89 years ago that the Arizona Highway Commission decided to help out local industry by making copper license plates.

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07/20/2020

On this day in 1996, much of SR 87 became Duthie-Martin Highway

The name of the route commonly called the Beeline Highway was officially changed to the Duthie-Martin Highway in honor of two law enforcement officers who lost their lives on the road in the line of duty.

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