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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

Five license plates displayed on a white background.
08/31/2023

August recap: Specialty Plate Spotlight

Some folks view license plates as just a series of letters and numbers, but others see them as modes of expressing one's values, hobbies and interests. In Arizona we have more than 90 specialty license plates featuring a wide range of...
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State Route 77 with new pavement lined by palm trees.
08/29/2023

Putting the final touches on SR 77 from Oro Valley to Tucson

If you’ve driven State Route 77 in Tucson in the past few weeks, you aren’t just seeing the results of a big improvement project, you’re also feeling it. That’s because ADOT finished work earlier this month to replace 9 miles of worn and...
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A snow plow in a flooded street clears water and debris from the roadway after rainstorm.
08/28/2023

ADOT staff at Grand Canyon National Park Airport leaped to action during flood

Operated by ADOT, Grand Canyon National Park Airport is an essential part of the community of Tusayan near the South Rim. Those ties were on full display recently when a flash flood swept into the town, covering State Route 64 and flooding...
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Animated drawings of two construction sites.
08/22/2023

ADOT Kids: Test your skills of observation and learn how ADOT builds a freeway

As with any important project (think writing a report for school), the first thing to do is plan. ADOT starts planning for new roadways by studying where a new roadway is most needed.
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Layers pavement on a roadway.
08/21/2023

Paving work begins on the I-17 Improvement Project

If you’ve driven on I-17 near Anthem Way during the last few weeks, you may have noticed that the I-17 Improvement Project has hit a significant milestone. As work continues on the 23-mile stretch between Anthem Way and Sunset Point, crews...
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A woman works on a computer, while a man sits across the table from her.
08/18/2023

The power of a driver license

Remember that feeling when you first got your driver license? A feeling of independence,and accomplishment? Most people tend to forget about their driver license or ID card once it is in the wallet or purse. Unfortunately, there is a...
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Two people stand on a highway shoulder in orange safety vests.
08/17/2023

Adopt a Highway: Register now for Sept. 16 National CleanUp Day

Registration begins here for the Sept. 16 annual cleanup event to help reduce litter along Arizona’s state highways. Welcome back seasoned volunteer groups and all new permit holders. Dust off those litter picker-uppers and head out with...
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Highway Artwork Pillars
08/16/2023

Arizona highway artwork tells the stories of local communities, and looks good doing it

Similarly to how artwork adorns the walls of museums, artwork also adorns the walls, bridges and columns of Arizona’s highways. Often created by local artists and inspired by the communities and agriculture of the surrounding areas, the...
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Highway signs are stacked in rows on the ground, waiting to be delivered and installed.
08/14/2023

Making signs in ADOT's Sign Shop

Signs are everywhere on Arizona’s highways, providing information about speed limits, nearby locations, rest areas and more. But how and where are these signs made? ADOT has a Sign Shop where signs big and small are produced. The shop can...
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A smiling dog with a red collar sits on the ground.
08/10/2023

ADOT crew rescues pup fleeing Diamond Fire

When the Diamond Fire blazed near State Route 87 in late-July, ADOT crews from Payson were dispatched to set up traffic control to provide space for firefighters to work to contain the wildfire. While doing this, crews found a pup fleeing...
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