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Volunteer picking up trash on SR 74
02/11/2026

Volunteers throw shade on trash

Volunteers tidied up a section of State Route 74 in north Phoenix, for the community and groundhogs alike.
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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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Popular blog articles

Diagram showing eastbound traffic flow at Happy Valley Road diverging diamond interchange over I-17.
10/05/2020

Opening soon: The new diverging diamond interchange on I-17

The diverging diamond interchange at Interstate 17 and Happy Valley is opening this month. What does that mean? Let us tell you!
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Arizona Highways image of saguaro alongside road
10/02/2020

Arizona Highways named best Instagram account of 2020

The Phoenix New Times has chosen Arizona Highways as the best Instagram account for 2020.
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Black and white photo of road paving
10/01/2020

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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Ligurta Wash Bridge
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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09/22/2020

Adopt a Highway: National CleanUp day is in the bag

National CleanUp Day was this past Saturday - and by all accounts it was a phenomenal success!
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