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Vehicles driving on the highway.
08/31/2026

2025 crash data shows decrease in traffic fatalities for third straight year

Crash data from 2025 shows a decrease in traffic fatalities and crashes across Arizona roads for the third straight year. That’s a positive step in the right direction, but even one death is one too many, and there is more work to be done...
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On the Road With ADOT logo
08/30/2026

PODCAST: If a trip to a Motor Vehicle Division office is on your to-do list, this episode of On the Road with ADOT will get you ready

A lot of business with the Motor Vehicle Division can be done online. However, if a visit to an MVD office is in your future, you’ll want to listen to our latest episode of On the Road with ADOT. MVD Spokesman Bill Lamoreaux sits down with host Doug Nintzel to offer helpful hints to get you “MVD ready.”
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AAH quarterly volunteer image
08/19/2026

Volunteers make Arizona shine

Adopt a Highway is rolling out the red carpet for our newest volunteers! See who is making a difference in your community and join us in celebration.
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Popular blog articles

Mileposts marking US 70's missing miles
05/29/2019

The case of US 70's missing 12 miles

We may not have solved this mystery, but we have a pretty good guess as to why numbers on mile markers jump suddenly between Bylas and Safford.
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Crew members work on deck of Pinnacle Peak bridge
05/28/2019

Take a look at I-17 interchange projects on the rise

Piers and bridge abutments for the new interchanges at Pinnacle Peak and Happy Valley roads are currently going up, so take a look at some of the work happening right now.
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Black and white photo of an old steel truss bridge with an empty roadway, intricate lattice railings, and another similar bridge visible to the right.
05/24/2019

Flashback Friday: The day Yuma's Ocean-to-Ocean Bridge opened to traffic

A celebration this week in 1915 included a parade of decorated automobiles, a concert and horse races.
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Image of Spotify playlist
05/24/2019

Transportation tunes still riding an expressway to my heart

Our ArizonaDOT Spotify playlist of transportation-related songs has continued growing over the past year. We hope you'll check it out.
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511 Travel Info sign along a highway.
05/21/2019

511 Logo Signs: Build your brand – and a road

This summer we are rolling out new highway signs to both promote the 511 phone line, attract business sponsorship and generate funds to maintain roads.
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Northern Arizona roadwork
05/20/2019

With summer here, projects in northern Arizona ramp up

As summer starts again, its now warm enough for work on several road improvement projects in northern Arizona.
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05/17/2019

Infrastructure Week: It requires attention, care and support to help grow our future

ADOT Director John Halikowski explains why everyone needs to realize the importance of infrastructure and protect its value by making investments for the future.
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05/15/2019

From the Director: Voting open for ADOT Safety Message Contest

The entries are reminders that the best way to make roads safer is changing our own driving habits and encouraging those around us to change theirs.
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A white semi-truck drives under a concrete overpass under construction, with cranes and unfinished sections visible; blue sky with scattered clouds above.
05/15/2019

Infrastructure Week: Keeping traffic flowing is a straddle bent's job

When a pier needed to support a ramp would otherwise need to be in the middle of travel lanes below, ADOT engineers call on this support structure that straddles traffic.
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Construction workers and machinery lay concrete barriers on a multi-lane highway with traffic signs and equipment visible along the road.
05/14/2019

Infrastructure Week: Consider the Jersey barrier

Here's a look at the simple engineering behind the ubiquitous work zone concrete barrier.
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