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On the Road With ADOT logo
10/05/2025

PODCAST: Traffic engineering's role in safely connecting Arizonans

Where do speed limits come from? How are highways engineered, signed, striped, etc., to maximize safety? To explain these and other aspects of state highways, we're pleased to have State Traffic Engineer Kerry Wilcoxon as this week's On the Road With ADOT guest.
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Adopt a Highway
10/01/2025

Volunteers bag 1.8 tons of litter on National CleanUp Day

See Adopt a Highway volunteers across Arizona caught in the act on National CleanUp Day 2025.
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Specialty plates featured in September.
09/30/2025

September recap: Specialty Plate Spotlight

ADOT has more than 100 specialty license plates featuring a range of worthy causes or charities. To boost awareness, we showcase one specialty license plate each week on social media. We call this the "Specialty Plate Spotlight" and here are the plates that were featured in September.
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Popular blog articles

07/24/2013

Adopt a Highway is part of Curtis family tradition

Still going strong after two decades of volunteer service, one Arizona family is working to keep SR 264 clean and beautiful through ADOT’s Adopt a Highway program…
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07/18/2013

Taking a look at the long-term fix proposed for US89

Our new video gives a look at the long-term fix being proposed to repair the landslide-damaged stretch of US 89.
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Blog Default
07/17/2013

Structural Materials Testing team evaluates girders, rebar and more

Sometimes, you have to push something to its limit to find out how strong it is. At least, that’s the case when it comes to the steel, concrete and other construction materials under the purview of ADOT’s Structural Materials Testing team.
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Community Outreach Meeting
07/16/2013

Community outreach and US 89

Last week, when we shared with you the long-term repair solution that has been proposed for US 89, we explained how experts studied the area for months and put together a comprehensive report that includes a major amount of geological data (seriously, the report is 463 pages).
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07/12/2013

Produce spill in the Deck Park Tunnel

If you are a Phoenix-area commuter who travels daily through the Deck Park Tunnel, you’re probably already aware that a produce truck spilled its contents yesterday afternoon as it headed westbound on I-10.
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07/11/2013

ADOT identifies long-term US 89 repair solution

The geotechnical investigation on US 89 (you know – that one we’ve been blogging about since February) is complete and we’re thrilled to share news of the results.
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07/10/2013

ADOT narrows passenger rail alternatives down to 3

ADOT has been able to utilize feedback and narrow the list of possible passenger rail alternatives from seven down to three.
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Minibenches by the highway
07/09/2013

Transportation Defined: Minibenches

No, the stair-step design on the slope at right isn’t just for looks… The “steps” are actually referred to as minibenches and they serve as an erosion and sediment control measure on slopes.
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06/28/2013

Announcing this year's top Haboob Haikus

The results are in ... check the video above for a look at the top #HaboobHaikus from this year as voted on by the public!
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06/27/2013

Loop 303 on its way to providing fast, convenient travel option in West Valley

We like to check in, from time to time, on the Loop 303 project… Over the past two years we’ve been able to see a 14-mile stretch of the freeway open to traffic, witness the start of construction on new segments and mark many, many milestones along the way.
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