More than 30 years ago, the Black Canyon Freeway saw the first digital message boards installed.

Wouldn't this be a refreshing spot to visit? Join our challenge and find out where this is located.

The drive between Phoenix and Tucson has gotten a little bit better, and another improvement is just weeks away. That’s because an ADOT project has provided three lanes in each direction on a 4-mile section of Interstate 10 in Casa Grande...

Something new, blue and helpful-to-you is popping up along Arizona highways, and it's just the beginning. The Arizona Department of Transportation has installed the first four 511 business-sponsored signs as part its recently launched 511...

ADOT’s Joseph Salazar was honored recently with a lifetime achievement award from the American Society of Landscape Architects Arizona Chapter. Salazar, who has been with ADOT for almost 30 years and serves as landscape architectural...

From typewriters to computers, pen-and-ink maps to satellite imagery, ADOT's office tech has evolved a lot in the past few decades.

Join us for a special Labor Day weekend "Where in AZ??"

Have you ever wondered why 411th Avenue in Tonopah is Exit 95 off Interstate 10? Or why if you are turning on to Dragoon Road in southeastern Arizona you take Exit 318? Or how about using Exit 67 to get to Dateland from Interstate 8, or...

Did you know that more than 20 percent of all people killed on Arizona roadways in 2018 weren’t wearing seat belts? That equaled 216 unnecessary fatalities. Seat belt use in Arizona has been on a decline, dropping from 88 percent in 2016 to...

ADOT's Motor Vehicle Division is a proud partner of the Donor Network of Arizona.

Join our "Where in AZ??" challenge and let us know if you've traveled these tracks.

Not only will both entrances to 40th St. Park & Ride in Ahwatukee reopen, but a new interchange from the South Mountain Freeway will also help people get there.

Arizona Highways has collaborated with the DeGrazia Foundation to celebrate the 110th birthday of artist Ted DeGrazia.

We've been working on widening and improving US 93 for more than a decade, so its a good time to look back and what we have achieved so far.

Calling all Adopt a Highway volunteers! National CleanUp Day is coming up on Saturday, Sept. 21. This is a day set aside for individuals and organizations to unite for the purpose of reducing litter in their communities in every part of the...

Blue skies, green grass and trees will greet you at today's "Where in AZ??" location.

If you can relate to any of the following, Child Passenger Safety Week is for you: A soon-to-be parent, puzzled by the options and choices of infant carriers, rear- and forward-facing car seats, and booster seats. A grandparent discovering...

With National CleanUp Day approaching on Sept. 21, I want to express my thanks to our volunteers and sponsors who consistently pick up trash along our state highways. These volunteers have cleaned up 1,672 miles of Arizona highways. You are...

Did you know this week is National Roundabouts Week? Here's why this handy intersection design deserves some recognition.

It's time for that big family trip to the Grand Canyon. Everyone's ready, the car's packed and the destination entered into the GPS. Only things left before hitting the open road are double-checking the traffic and the weather. And thanks...