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Volunteer sign please help protect our beautiful earth at mile 9
12/22/2025

Volunteers make spirits bright

ADOT is grateful to volunteers year 'round, and there is no better time to express our gratitude than during the holiday season.
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Aerial view of I-17 wildlife overpass project
12/21/2025

PODCAST: Catching you up on projects and more in Northern Arizona

This week's episode of On the Road With ADOT features Jeremy DeGeyter, administrator of ADOT's Northcentral District. Jeremy talks with host Doug Nintzel not just about the I-17 wildlife overpass project but the much-anticipated Lion Springs widening of SR 260 east of Payson, among other topics.
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Arizona Transportation Institute logo
12/17/2025

A national spotlight for ADOT's partnership with public universities

A video from American Association of State Highway and Transportation Officials (AASHTO) features ADOT director explaining the Arizona Transportation Institute and its goals.
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Popular blog articles

Two lane highway with trees on both sides
04/18/2021

Where in AZ?? 04/18/21

Look to head to a cooler climate? Today's "Where in AZ??" location may be a good spot for you!
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Distracted Drivers are Terrifying graphic
04/16/2021

From the Director: Why all the buzz about distracted driving?

There's been a lot of focus on distracted drivers the past few weeks, so ADOT Director John Halikowski shares what the "buzz" is all about.
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State Route 273 winds through the forest.
04/15/2021

Spring has sprung, which means you can again travel these roads

Like the swallows returning to Capistrano, the reopening of state highways in the high country is a sure sign of spring. Just remember to be safe if you are planning to drive these scenic roads.
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Sign showing miles to Show Low and Springerville
04/14/2021

Distance signs - how accurate are they?

Just how accurate are those signs telling you that your next stop is x miles away? Well, let's find out!
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04/12/2021

The fourth tunnel

The Deck Park, Queen Creek and Mule Pass tunnels get all the fame, but can you name the fourth tunnel on the state highway system?
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Street with a railroad crossing
04/11/2021

Where in AZ?? 04/11/21

If these railroad tracks and the steeple in the background look familiar, you'll want to join this week's "Where in AZ??" challenge.
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Vehicles illegally parked along State Route 89 near Yarnell
04/09/2021

Visiting the site of the Granite Mountain Hotshots? Honor them by doing it safely.

If you are planning to visit the memorial the Granite Mountain Hotshots near Yarnell, please do so safely. And that means not parking along State Route 89.
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Workers inside the Deck Park Tunnel
04/08/2021

Throwback Thursday: Time tunnel

Today we look back on an integral piece of interstate infrastructure.
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Two parallel bridges span a river, one modern with smooth arches, the other older with intricate truss design.
04/07/2021

Original Salt River Bridge a 'beautiful piece of filigree'

What do you get when aesthetics meets a pressing transportation need? A beautiful strip of metal like the original Salt River Canyon bridge.
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A graphic showing a scenic desert road with safety tips for day trips: bring water, snacks, medications, phone, wipes, and face covering.
04/06/2021

Prepare in advance for highway trips as we transition to warmer weather

Winter is in the rearview mirror, which means we go from advising people to be prepared for winter driving conditions to preparing people for summer driving conditions!
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