ASU Polytechnic students came up with a cattle guard system to resolve a common highway issue.

A unique sign is a clue to this week's "Where in AZ??" challenge. Join us on Facebook!

ADOT goes to bat for winged mammals parked under Marana bridge.

Now is the time to participate in I-11 corridor alternative meetings and share your thoughts on the proposed interstate!

Warmer temperatures usually mean wildfire season isn't too far away and Arizona drivers can help reduce wildfire danger.

Find out where to go for the latest information on highway closures, detours and all things ADOT.

The Art of Transportation showcases the unique mesas in northern Arizona.

Join our Facebook challenge and tell us "Where in AZ??" you think this photo was taken.

ADOT congratulates 2017 graduates, but also reminds them to make wise choices especially when it comes to driving.

Watch our video and get updated on the progress being made on the Ina Road and I-10 project.

Filling out a Sold Notice only takes a few minutes but it can keep you out of a lot of trouble.

If you're headed out on a summer road trip, follow these tips to make it a safe and enjoyable outing.

Monsoon season is around the corner and ADOT plans projects around the weather, ensuring projects are completed on time.

Join our Facebook challenge and let us know "Where in AZ??" you think this photo was snapped.

A 100-year-old bridge has a new shine to it after a major makeover.

On the 90th anniversary of the Red Butte Aerodrome, we're taking a look back at the history behind the first airfield to offer passenger flights over the Grand Canyon.

New signs will help motorists get the latest wildfire information.

Arizona has been recognized three times with the “Best New License Plate” award.

Join our Facebook challenge and let us know "Where in AZ??" this photo was taken!

Two new features on ServiceArizona.com involve something the law says every vehicle owner must have: insurance.