ADOT Blog | Department of Transportation

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Portrait of State Engineer Audra Merrick with image of highway construction and planning.

02/22/2026

PODCAST: We're kicking off National Engineers Week with ADOT's State Engineer

In addition to a week filled with blogs and social media posts that celebrate engineering and engineers, this episode of On the Road With ADOT features Audra Merrick, ADOT's State Engineer and Deputy Director.

Four volunteers cleaning US 89

02/17/2026

Rescue us from litter: Meet Guardian Air Transport volunteers

Getting involved in the community matters to a new volunteer group who adopted two miles along US 89.

Traffic camera view of Loop 101 Agua Fria Freeway

02/15/2026

PODCAST: Catching you up on the Loop 101 Agua Fria widening project

There's a lot happening with ADOT's project widening the Loop 101 (Agua Freeway Freeway) between I-17 and 75th Avenue. So this week we're getting an update from Kim Larson, our Community Relations Project Manager for this improvement.

Popular blog articles

Black and white photo of road paving machines working on Central Avenue

06/14/2018

Throwback Thursday: Paving Central Avenue atop the Papago Freeway tunnel

Downtown Phoenix looks dramatically different than it did 30 years ago, however you may still recognize a few landmarks.

06/13/2018

Noted Phoenix architect got his start with Highway Department

Acclaimed midcentury Phoenix architect Fred Guirey along with J. Harold MacDowell designed the ADOT administration building at the southwest corner of Madison Street and 17th Avenue.

Wrong way sign lit up with red lights all around it.

06/12/2018

Arizona and ADOT take lead in testing wrong-way vehicle detection technology

As we reported this week, results from the I-17 wrong-way detection and warning system have been promising.

Route 66 businesses in Seligman

06/11/2018

There's a convenient route to Seligman with a bridge upgrade underway

Signs will direct you to I-40 Exit 123, which connects to and from the Old Route 66 community.

06/10/2018

Where in AZ??

We have another challenge for you in this week's "Where in AZ??"

Workers remove litter accumulated deep in ADOT pump station

06/08/2018

Help us help you during monsoon season: Don't toss litter on freeways

Think twice next time you roll down your window to toss that piece of garbage. It can interfere with freeway drainage systems during monsoon storms.

Construction worker in safety gear stands on a beam near large concrete structure under blue sky.

06/07/2018

Placing bridge girders: Now that's a heavy lift

Building a bridge requires quite a bit of weightlifting when it comes to setting girders that will carry the deck and traffic.

Chair found on the highway

06/06/2018

No, your truck isn't 'good enough.' Secure your loads every time.

Here's why tying down your loads is a must.

06/05/2018

Arizona Management System spurs innovation and cost savings across ADOT

A new website allows you to learn many of the improvements ADOT has made using the Arizona Management System.

06/04/2018

Adopting a highway: For love of ‘home’ -- and 'Seinfeld'

After her first Adopt a Highway cleanup along US 60 near Wittman, an ADOT employee describes the experience and what inspired her to volunteer.