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On the Road With ADOT logo
07/19/2026

PODCAST: Truck parking is a big deal for ADOT – and for everyone

In this episode of On the Road With ADOT, Public Information Garin Groff talks with host Doug Nintzel about improvements we have made and will be making to help connect truckers with safe and convenient parking so they can safely move goods
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AAH in memory of Hunter Maggard
07/13/2026

Remembering Hunter Maggard inspires miles of clean highways

Read about a family whose memories keep Arizona beautiful through volunteering. About 800 groups care for miles along Arizona’s highways and nearly half are adopted in remembrance of loved ones.
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On the Road With ADOT logo
07/05/2026

PODCAST: I-10 widening project keeps advancing south of the Valley

In this episode of On the Road With ADOT, Marcy McMacken, our lead communicator on the project, talks with guest host Laura Douglas about what drivers will see as we continue creating a wider Interstate 10 between the Valley and Casa Grande.
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Popular blog articles

08/03/2020

Why are US 93 mileposts in backward order?

US 93 has a surprising quirk: Its milepost numbers get higher as you head south. Why the highway is like that is a tricky question to answer.
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A man guides a team of six mules pulling a plow across a sandy field, with another team and workers visible in the background under a bright sky.
07/31/2020

Flashback Friday: Mule crews

Here's a photo that reminds us why we are happy working in these mechanized times.
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Large equipment being used to construct overpass
07/30/2020

Throwback Thursday: A balanced approach

More than 20 years ago, ADOT did a careful balancing act of widening State Route 87.
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07/29/2020

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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Mule Pass Tunnel
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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Indian Gardens historical marker
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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