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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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A digital message board on the highway encourages motorists to designate a driver.
03/14/2026

Don’t leave it up to luck: Designate a driver this St. Patrick’s Day

With St. Patrick’s Day around the corner, we want to take a moment and remind everyone to plan ahead so you get home safely after the festivities. If you’re out on state highways this weekend, you may notice some of our overhead message...
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Popular blog articles

07/24/2014

ADOT continues I-40 upgrades with series of paving projects

Currently, ADOT has 12 pavement improvement projects along Arizona’s portion of the I-40 corridor that will be completed this summer, are ongoing, or are included in the state’s five-year plan.
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07/22/2014

ADOT continues work on US 89 widening, bridge replacement project near Cameron

ADOT started a project to expand US 89 from two lanes to four lanes through the community of Cameron. The project also includes the removal and replacement of the existing US 89 Cameron Truss Bridge.
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07/18/2014

Taxpayer money recouped through ADOT’s Insurance Recovery Unit

During the past 12 months, the Arizona Department of Transportation has recouped more than $3 million in damage to the state highway system, saving taxpayers from bearing the cost of repairs.
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07/17/2014

US 89 landslide repairs to begin later this month

The reconstruction of US 89 between Bitter Springs and Page will begin later this month.
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Prescott Municipal Airport
07/15/2014

Prescott Municipal Airport named 2014 Airport of the Year

ADOT has named the Prescott Municipal Airport/Ernest A. Love Field as the 2014 Airport of the Year.
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07/09/2014

I-10/Prince Road project is complete

Since March, motorists traveling along Prince Road at the I-10 junction are no longer inconvenienced when one of the 40-60 trains pass daily through this area of Tucson.
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A row of yellow trucks in a parking lot near buildings and trees under a cloudy sky.
07/08/2014

ADOT makes switch to online surplus equipment auctions

ADOT has traded in the auctioneer’s gavel for the computer mouse in making the switch to more convenient online auctions of the agency’s surplus vehicles and other equipment.
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Arizona highway map with closure notice, safety tips, and a list of highways without July 4th weekend construction.
07/03/2014

Drivers won't face state highway construction closures over July 4th weekend

Arizona drivers taking to the road will not face any construction closures along state highways over the three-day Fourth of July weekend.
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Wrong Way road sign
07/02/2014

ADOT testing larger ‘Wrong Way’ signs

New steps are being taken in the Phoenix area in efforts to get the attention of wrong-way drivers before they enter a freeway in the wrong direction.
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Beaker used to test for calcium carbonate
07/01/2014

Science of Transportation: Calcium Carbonate testing

Plants won’t grow if they’re rooted in the wrong soil. That’s why ADOT makes sure its topsoil is suitable for good growth by testing Calcium Carbonate levels.
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