ADOT Blog | Department of Transportation

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Construction occurs on a highway.

09/17/2025

Bridge girder placement another sign of progress on US 93 widening project

Two bridges under construction on US 93 north of Wikieup didn’t look much like bridges until recently, as they were little more than concrete piers jutting up from a dry wash. That all changed rapidly in the past few weeks, as crews lifted...

A digital message board on the highway encourages motorists to drive with care

09/16/2025

ADOT’s Safety Message Contest returns for the ninth year

It’s back! I’m excited to announce that ADOT’s Safety Message Contest is now open and accepting submissions. Arizonans can submit their engaging traffic safety messages through Sept. 22 at azdot.gov/SignContest. This contest, now in its...

Navajo Bridge viewed from the Colorado River

09/14/2025

PODCAST: We're looking back 30 years to the dedication of (new) Navajo Bridge

This week's guest and host on ADOT's podcast were at the Sept. 14, 1995, dedication of a new Navajo Bridge spanning Marble Canyon on US 89A. Thirty years later, they share their memories.

Popular blog articles

10/29/2017

Where in AZ??

Our Sunday "Where in AZ??" challenge asks if you can locate this spot in Arizona.

10/27/2017

ADOT Friday Five: Closures, hot dogs and cartography

Our roundup of ADOT news includes a Phoenix freeway closure, a wiener mobile visit and where to go for more info on the L-202 South Mountain Freeway project.

10/26/2017

It's halftime for a key transportation project in Yuma

Learn why ADOT is packing up the construction equipment for the winter season on the I-8 and Araby project in Yuma.

10/25/2017

From the Archives: Mapping in the '70s

Advances in mapping and cartography parallel those in technology.

10/22/2017

Where in AZ??

Our weekly "Where in AZ??" challenge continues. Take the challenge by visiting the ADOT Facebook page.

10/20/2017

Future transportation leaders connect with South Mountain Freeway project and its people

Where better to learn about the intersection of math and transportation than the biggest transportation project in Arizona?

10/19/2017

Tow truck parade kicks off Move Over Awareness Day

You may have already seen this safety message, but it's no less important than the first time it was posted.

10/18/2017

What international visitors need to know before driving in Arizona

International visitors often have questions about what they need to drive legally when making a stop in Arizona.

Tire tracks in dirt

10/17/2017

Art of Transportation: Making tracks

Construction equipment being used for the South Mountain Freeway left eye-catching patterns on the ground near bridges going up over the Salt River.

10/16/2017

Consider the colorful history of traffic cones

What's bright orange, plastic, gets run over daily and makes roads and road workers safer? Happy birthday to the traffic cone.