ADOT Blog

Latest blog articles

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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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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Throwback Thursday: Capturing a moment

What can you gleam from this photo of roadwork from the 1930s?

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Guardrail posts, rail and bolts, awaiting assembly

09/30/2020

There's more to guardrail repair than meets the eye

Crews have been hard at work replacing guardrail on northbound State Route 87. But what does that entail? Here's what goes into putting in these silent sentries of highways.

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A road sign in a desert landscape shows distances to Green Valley (20 km), Amado (40 km), and Nogales (86 km).

09/29/2020

Kilometers in Arizona? You bet!

Ever wondered why I-19 is marked in kilometers? Thank Gerald Ford!

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Aerial view of a highway intersection with surrounding greenery and some buildings under a partly cloudy sky.

09/28/2020

A butterfly’s view of Mariposa Road

Mariposa means butterfly in Spanish, so we are giving you a butterfly's view of the improvements to State Route 189, Mariposa Road, in Nogales.

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09/27/2020

Where in AZ??

Our weekly "Where in AZ??" often features beautiful landscapes around the state. This week is no different.

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09/25/2020

Historic Ligurta Wash Bridge still carrying traffic

All the traffic may be on Interstate 8, but that doesn't mean this 90-plus-year-old bridge a stone's throw away isn't still doing its job.

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Black and white image of vehicles driving on US 89 bridge

09/24/2020

Throwback Thursday: Over the bridge and under the surface

This photo looks pretty ordinary, but this scene actually holds a lot of state transportation history.

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A woman and a man, both wearing sashes and crowns, stand side by side in a gymnasium. The woman holds a bouquet and both are smiling. The sashes read 1992 and King.

09/23/2020

Adelante Nogales via SR 189

A part of ADOT employee Gaby Gonzalez Kemp's heart will always be in her hometown of Nogales. That's why she is glad to see the improvements coming to State Route 189.

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