Beyond his work as a civil engineer with ADOT's operation serving northeastern Arizona, Kee Yazzie was a key contact with Native American communities.

Five years ago, ADOT helped launch the Health Forest Initiative to help prevent large wildfires and protect infrastructure. Now we're expanding that effort.

Interstate 17, the Black Canyon Highway, was dedicated 55 years ago. Here's the story behind this important north-south link.

State Route 67, also known as the Jacob Lake to Grand Canyon Highway, is one of Arizona's most scenic summer drives.

Vibrant flowers are again featured in today's "Where in AZ??" challenge.

What does infrastructure mean when it comes to Arizona's highway system? Here are some numbers.

South Mountain Freeway crews are wasting no time moving onto the final phase of construction for the 40th Street traffic interchange in Ahwatukee.

Here's a look at the simple engineering behind the ubiquitous work zone concrete barrier.

When a pier needed to support a ramp would otherwise need to be in the middle of travel lanes below, ADOT engineers call on this support structure that straddles traffic.

The entries are reminders that the best way to make roads safer is changing our own driving habits and encouraging those around us to change theirs.

We continue Infrastructure Week 2019 by exploring videos of just some of ADOT's projects that have improved the quality of life in Greater Arizona.

ADOT Director John Halikowski explains why everyone needs to realize the importance of infrastructure and protect its value by making investments for the future.

We're asking you to identify the location of a two-lane highway in today's "Where in AZ??" challenge.

As summer starts again, its now warm enough for work on several road improvement projects in northern Arizona.

This summer we are rolling out new highway signs to both promote the 511 phone line, attract business sponsorship and generate funds to maintain roads.

Our ArizonaDOT Spotify playlist of transportation-related songs has continued growing over the past year. We hope you'll check it out.

A celebration this week in 1915 included a parade of decorated automobiles, a concert and horse races.

A mix of mountains and clouds makes for a pretty photo in this week's edition of "Where in AZ??"

Piers and bridge abutments for the new interchanges at Pinnacle Peak and Happy Valley roads are currently going up, so take a look at some of the work happening right now.

We may not have solved this mystery, but we have a pretty good guess as to why numbers on mile markers jump suddenly between Bylas and Safford.