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Portrait of State Engineer Audra Merrick with image of highway construction and planning.
02/22/2026

PODCAST: We're kicking off National Engineers Week with ADOT's State Engineer

In addition to a week filled with blogs and social media posts that celebrate engineering and engineers, this episode of On the Road With ADOT features Audra Merrick, ADOT's State Engineer and Deputy Director.
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Four volunteers cleaning US 89
02/17/2026

Rescue us from litter: Meet Guardian Air Transport volunteers

Getting involved in the community matters to a new volunteer group who adopted two miles along US 89.
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Traffic camera view of Loop 101 Agua Fria Freeway
02/15/2026

PODCAST: Catching you up on the Loop 101 Agua Fria widening project

There's a lot happening with ADOT's project widening the Loop 101 (Agua Freeway Freeway) between I-17 and 75th Avenue. So this week we're getting an update from Kim Larson, our Community Relations Project Manager for this improvement.
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Popular blog articles

A long metal guardrail rests on two rolling carts inside a spacious industrial warehouse with large doors and concrete floors.
07/13/2022

It's got a funny name, but it's making guardrail repairs easier

Guardrail crabs aren't an actual crustacean, but an invention that saves times and increases safety.
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image
07/11/2022

How well do you know Arizona's bridges?

A bridge quiz!
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Completed bridge
07/06/2022

Don’t burn bridges, unless they're rebuilt with innovative techniques

They say it’s a good idea not to burn your bridges and we're inclined to agree. But if they're going to be replaced with a brand-spanking new bridge, then why not?
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Blog Default
07/01/2022

Celebrate ADOT's birthday with a logo journey through time

Celebrate ADOT's birthday with a trip through the years, recounting the agency’s history through our instantly-recognizable logos.
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06/30/2022

ADOT has some celebrating to do this week

Hey, ADOT Kids! There is a birthday coming up on July 1! Do you want to guess who will be celebrating? It’s ADOT’s 48th birthday! On July 1, 1974, the Arizona Highway Department officially became the Arizona Department of Transportation...
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Worker removes tire tread from side of freeway
06/28/2022

Hot weather means more “gators” showing up on Arizona’s highways

Shreds of tire treads have gained the nickname “gators” because many of them look like an alligator's back floating on the water’s surface. During National Tire Safety Awareness Week, we have tips for staying gator-free.
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A divided highway with a few cars, bordered by trees and dry grass under a cloudy sky.
06/27/2022

Pack your patience when heading south from Flagstaff this summer

A much-needed project on southbound I-17 south of Flagstaff will repair years of damage from winter weather.
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A highway near Picacho Peak is barely visible due to thick dust from a sandstorm, with very low visibility and a faint traffic sign in the background.
06/22/2022

On I-10, ADOT’s dust detection system ready to battle its third monsoon season

This monsoon season marks the third year ADOT is working to make the drive safer with our dust detection and warning system spanning 10 miles of the highway that’s most prone to wind-blown dust.
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06/21/2022

Adopt a Highway: Volunteer safety in Arizona, the heat is on!

June 21 is the official first day of summer and with that brings an added layer of safety for Adopt a Highway volunteers to consider.
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A large crane lifts a concrete bridge beam into place at a construction site, with workers in safety gear observing below.
06/20/2022

The Whys Behind Weekend Highway Closures

Sometimes the work we do, such as setting girders for a new bridge, requires fully closing the highway to keep everyone safe. This 150-long girder weighs more than 70 tons. It was recently set over I-10 near 48th Street.
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