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A concrete bridge with large support beams spans a deep red rock canyon under a cloudy sky.
02/10/2026

Waterhole Canyon Bridge is out-of-this-world

An odd-looking bridge in Northern Arizona is a gateway to some of Arizona's most spectacular scenery.
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Samaritans Adopt a Highway Volunteers
02/09/2026

All the Way to the Border cleanup sees 100 volunteers

Hospitality and community support fuel Melissa Owen's 11th annual cleanup to reduce trash along State Route 286.
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On the Road With ADOT logo
02/06/2026

PODCAST: Loop 101 Pima improvements complete; pavement upgrade coming

Joe Heller, ADOT's resident engineer in charge of the recently completed Loop 101 (Pima Freeway) project, visits On the Road With ADOT to discuss this $108 million improvement and a coming project there to use diamond grinding to provide a smooth, durable driving surface.
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Popular blog articles

Route 66 sign on street
11/10/2021

Happy Birthday, Historic Route 66

Historic Route 66 turns 95 on Nov. 11.
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Trevor Eltringham
11/08/2021

He keeps 1,800 highway lights and 155 traffic signals running

Trevor Eltringham enjoys serving the motoring public by, literally, keeping highway lights on and traffic signals running.
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Incident Response Unit truck
11/04/2021

Her nightmare drive home was saved by ADOT, DPS angels

Read about how ADOT and DPS helped a motorist get safely home.
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11/03/2021

Emergency pull off lanes serve as safety retreats along the Broadway Curve Improvement Project area

Crews sweep a newly created emergency pull off during a recent full freeway closure. We’ve seen preconstruction work for the Broadway Curve Improvement Project since the spring, on and around Interstate 10, from the Loop 202 (Santan/South...
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11/02/2021

The bridge too tough to die - an appreciation

The old Pinto Creek Bridge was scheduled for demolition last week, but it wasn't going down without a fight.
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Two pyramids made with candy and toothpicks
11/01/2021

Hey ADOT Kids! Take the candy-toothpick building challenge!

Engineering is the creative use of science and math to design or make things to solve a problem. Engineers, like the ones we have at ADOT, design, build and test things. Do you want to give this fun build-and-test activity a try — like an...
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A narrow, dimly lit concrete corridor with exposed pipes and wall-mounted lights running along its length.
10/29/2021

The Legend of Tunnel Hallow

Have you ever wondered what lies deep inside the Interstate 10 Deck Park Tunnel?
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Highway sign reads HOCUS POCUS DRIVE WITH FOCUS with a silhouette of a witch on a broomstick flying in front of a full moon in the background. ADOT logo appears in the upper right corner.
10/28/2021

Let's not be "ooky" drivers on Halloween

It's almost Halloween, so it's time to be the good witch and not the bad witch. Be patient, cautious and mindful of a horde of candy seekers.
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Image of Tombstone sign with the town in the background
10/27/2021

Tombstone gunfight took place 140 years ago on SR 80

The much-romanticized Tombstone gunfight took place 140 years ago on what is now State Route 80.
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A highway with two yellow animal crossing signs reading Watch for Animals and a truck driving ahead under a clear sky. Trees line both sides of the road.
10/26/2021

New “watch for animals” signs protect motorists and wildlife

The new yellow sign design displays a “Watch for Animals” placard underneath the elk symbol to grab motorist's attention about a potential encounter with elk, deer and other wildlife in the roadway.
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