The recent emergency repairs to US 89 in northern Arizona illustrate the importance of partnerships.

We're conducting two environmental studies involving southern Arizona: Interstate 11 and the Sonoran Corridor. Here's an explanation of each.

Is it a remote spot or the outskirts of a big city? If you know, join our "Where in AZ??" challenge.

Answering Governor Doug Ducey's call, ADOT is marking Domestic Violence Awareness Month by bathing our building closest to the State Capitol in purple light.

While we're replacing decks on three bridges along the route between I-40 and Seligman's west side, there's convenient access from I-40 to the town's east side.

ADOT's continuous preparation for winter weather paid off this past weekend, when a couple of inches of snow fell in parts of the high country. Now it's your turn to get ready.

Photos and videos shared through our social media accounts helped tell the story of our nonstop efforts that reopened US 89 in less than 48 hours.

Maricopa County Air Quality Department has reached a settlement agreement with Gro-Well Brands Inc. after claims of air quality violations.

Today's photo features a different look at a bustling spot in Arizona. Join our "Where in AZ??" challenge.

Volunteer groups from around the state answered the invitation to participate in National CleanUp Day.