If you regularly travel through the Deck Park Tunnel, you'll probably remember this crash from 2013.

We're going back to 1977 and showing you a unique vehicle used to test the wet friction characteristics of a road.

What do smashed melons, historic dust storms and skidding cars have in common? They're all featured in this week's #FridayFive.

This week's "Where in AZ??" showcases a beautiful bridge in our state.

Summer has arrived. From extreme temperatures to extremely strong storms, we all need to know how to handle summer in Arizona.

The Deck Park Tunnel is more than a way to get cars from point A to point B. Vent rooms with giant fans are ready to keep fresh air flowing when needed.

Check a video offering bird's-eye views of progress we're making on widening two stretches of I-10 in Pinal County.

Specialty plates bring in millions for cancer research, veteran's services and other worthy causes.

It may be a hot July day, but we're going to put you to work with this week's "Where in AZ??" challenge.

The Arizona Department of Transportation unveiled a mobile-friendly online map cyclists that's compatible for iOS and Android devices.

Steps ADOT crews and contractors' employees take when the temperature blows past 110 can help keep you safe as well.

We’re replacing stop signs at the ends of exit ramps at Rita, Wilmot and Kolb roads to move traffic more efficiently in a growing area.

Last night’s events on Interstate 10 in the West Valley are so absolutely unacceptable, so outrageous, that words can’t do justice to emotions.

For the next few weeks we’ll be putting things in place to begin what will be an 18-month project.

Join the "Where in AZ??" fun on our social media sites!

By September, we expect all vehicle inspection locations statewide to be taking online appointments.

When motorists veer out of control off the highway, traffic safety engineers have developed barriers designed to soften collisions with a wall, pole or other immovable objects.

Prescott Adopt-a-Highway group goes back decades.

Today's Art of Transportation gives us an Impressionist view of the familiar orange traffic barricade.

ADOT's director does a "gemba walk" at a freeway pump station.