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Quarterly volunteer adoptions background
03/07/2026

Meet the volunteers beautifying Arizona roadsides

These are just a few examples of the efforts made by our growing team of volunteers. See who's volunteering in your community and the accomplishments already being made to reduce litter.
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Website poster for ways to tour Route 66
03/06/2026

Route 66 centennial: Ways you can join a year of celebration

While Route 66 was officially decommissioned in the 1980s and replaced in Arizona by I-40, its centennial is a big deal for those of us in the highway business. In this post, we're pointing you to some of the ways Arizona cities and towns are celebrating:
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Map of Loop 303 project in North Valley
03/01/2026

PODCAST: Big Loop 303 improvements underway in the North Valley

Joe Heller, our resident engineer on a big project getting underway in the North Valley, joins On the Road With ADOT this week to explain what's coming over the next two and a half years, including a flyover ramp connecting northbound I-17 with Loop 303.
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Popular blog articles

Travel survey promotional graphic
05/31/2016

From the Director: National survey charts Arizona's travel patterns, needs

For ADOT, the National Household Travel Survey conducted by the U.S. Department of Transportation serves as an important planning tool.
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US 89 roundabout in Cameron
05/30/2016

Big changes to bridge over the Little Colorado River

Today we’re taking you on a unique drive through Cameron on US 89 north of Flagstaff.
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05/27/2016

One Less Spark: How motorists can help prevent wildfires

ADOT is joining with federal, state and local agencies at Sunset Point Rest Area at milepost 252 on Interstate 17 to promote the “One Less Spark, One Less Wildfire” fire prevention and awareness campaign.
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05/27/2016

Foam allows ADOT to give freeways a boost

ADOT is injecting foam deep underneath the pavement as a way to smooth out dips on Arizona highways, including the Loop 101 Pima Freeway.
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05/26/2016

Finding water deep beneath the desert key to reopening rest area

Just in time for Memorial Day traffic, the San Simon rest area is open. Just three miles from the New Mexico state line, it provides an important rest stop for drivers.
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Future I-11 Corridor road sign
05/26/2016

From the Director: Interstate 11 comment period is now

We need your help as ADOT moves forward on an environmental study as part of the planning process for the proposed Interstate 11 corridor stretching from Nogales to Wickenburg.
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05/25/2016

ADOT, archaeologists look to learn more about past before South Mountain Freeway construction

The Arizona Department of Transportation is currently conducting archaeological work in advance of the Loop 202 South Mountain Freeway project
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Pinal Airpark runway
05/24/2016

From airplane graveyard to ADOT's Airport of the Year

Pinal Airpark was once known as an airport graveyard that stored old jets. Today, the Marana airport has been resurrected.
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Traffic Operations Center wall covered with monitors showing traffic
05/23/2016

From the Director: Future of transportation moves us closer to 'Jetsons'

We in the transportation world face the evolving use of technology in developing connected and automated vehicles.
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05/20/2016

What a difference a month makes at Bell and Grand

In the spirit of our From the Archives posts, we let's take a look at one month of progress on the overpass and interchange ADOT is building at Bell Road and Grand Avenue in Surprise.
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