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A digital message board on the highway encourages motorists to drive focused.
05/22/2026

Over Memorial Day Weekend, drive focused and designate a driver

The heat is here and a long three-day weekend is ahead to mark the unofficial start to summer. And with people planning road trips over Memorial Day weekend, we want to remind drivers to stay focused and expect the unexpected. But, before...
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Women discuss construction opportunities at ADOT expo
05/21/2026

ADOT expo panel highlights women in construction

Last week's ADOT Disadvantaged Business Enterprise (DBE) and Small Business Transportation Expo, themed "Road to Results: People, Projects and Progress," brought together more than 400 attendees ready to connect with industry leaders and explore project opportunities, build partnerships and make workforce connections.
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List of Adopt a Highway volunteers
05/18/2026

Welcome aboard: Meet the new volunteers

These dedicated groups are stepping up to make a positive impact by keeping highways clean. Join us in celebrating their commitment to Arizona and their communities.
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Popular blog articles

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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Two women and a young girl stand in front of a large driver license poster and an Arizona license plate.
06/27/2014

Rocky the Ringtail

Allow us to introduce Rocky the Ringtail!
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06/26/2014

Crews worked to complete SR 89A repairs ahead of schedule

Drivers traveling between Sedona and Flagstaff received welcome news when ADOT opened the "switchbacks" section of State Route 89A well ahead of schedule.
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06/24/2014

ADOT initiating recycling program at rest areas

Visitors to rest areas along state highways will begin to notice recycling containers onsite since ADOT started a recycling program at three rest areas with plans to expand it statewide.
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Images from the cover of the 5 year plan
06/20/2014

State Transportation Board approves 2015-2019 Five-Year Construction Program

The State Transportation Board voted last week to adopt the 2015-2019 Five-Year Transportation Facilities Construction Program.
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Rest Area Safe Phone Zone sign
06/14/2014

ADOT launches ‘Safe Phone Zones’ at 14 highway rest area locations

When you’re taking your next road trip through the state, you’ll likely notice our new signs that designate each of Arizona’s 14 highway rest area locations as “Safe Phone Zones.”
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