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ASU student checks irrigation along highway.
03/23/2026

ADOT partnership with ASU aims to optimize landscape water use

We're highlighting an ASU News article features a partnership that’s helping ADOT learn how to optimize water use in freeway landscaping. The ADOT Urban Freeway Landscape Water Use Efficiency Project nvolves graduate students who are part of ASU’s Arizona Water Innovation Initiative
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Volunteer placing trash in ADOT bag
03/17/2026

Get involved: Join us for an Earth Day litter clean-up

Adopt a Highway volunteer groups and others are invited to help tidy up along state highways for Earth Day. Whether you are a seasoned volunteer or just looking to make a difference, your participation makes a measurable impact toward reducing roadside litter.
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Sprayer applies fog seal to highway.
03/15/2026

PODCAST: One key way that ADOT extends the life of highway pavement

This week’s episode of On the Road With ADOT features two of our many team members involved in preserving Arizona’s vast investment in state highways and the use of fog seals to extend pavement life.
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Popular blog articles

04/21/2017

Art of Transportation: It's a dirty job

If there's one job most can agree is dirty, road construction is usually it. Today's Art of Transportation photo highlights this.
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Diagram showing cars using a zipper merge at a lane closure, with traffic cones blocking one lane and vehicles alternating to merge into the open lane.
04/20/2017

Zipper merge: In the right situations, two lanes can be better than one

The zipper merge is simple technique used when two lanes reduce to one and it'll soon be implemented on Interstate 10 in western Arizona.
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04/19/2017

Coming Friday: Winners of ADOT’s Safety Message Contest

The winners of the ADOT Safety Message Contest will revealed on Friday!
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Sun-shielding netting on transplanted saguaros along a freeway
04/17/2017

'Sunscreen' spares transplanted saguaros from sunburn

If you've noticed black netting on some saguaros transplanted along the Loop 101 Pima Freeway, here's an explanation.
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04/16/2017

Where in AZ??

Join us our Facebook trivia challenge and tell us "Where in AZ??" this photo was taken.
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04/14/2017

Art of Transportation: Hoover Dam

The Art of Transportation gives you a lesser-photographed view of Hoover Dam.
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04/13/2017

Throwback Thursday: First Arizona license plates

We're taking a look back at Arizona's first license plates and how plates have changed over the years.
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A group of people sit around tables in a meeting room, discussing and writing on large sheets of paper.
04/12/2017

No "I" in team or in ADOT Partnering

Award recognizes transportation teams for successfully working together to deliver on time and on budget construction projects.
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04/11/2017

Maricopa's bridge project: Take a virtual helicopter ride into the future

We're taking you on a virtual drive and flight over SR 347 in Maricopa to look at the new bridge and alignment scheduled for 2019
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04/10/2017

From the Director: ADOT offers latest South Mountain Freeway virtual tour online

ADOT Director John Halikowski highlights key design features of the new South Mountain Freeway and encourages you to take a virtual tour of the freeway.
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