ADOT Blog | Department of Transportation

Latest blog articles

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...

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.

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:

Popular blog articles

06/15/2018

Crawling under semis in the name of continuous improvement

ADOT Director John Halikowski spends a day learning about ADOT's Enforcement and Compliance Division as part of an effort to improve all aspects of the agency.

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.