ADOT Blog | Department of Transportation

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Image of USPS stamp pane featuring eight different stamps.

05/05/2026

ADOT’s director helps dedicate Route 66 postage stamps

The Route 66 centennial is a big deal here at the Arizona Department of Transportation. That’s why our director, Jennifer Toth, gave opening remarks today at a U.S. Postal Service ceremony in Phoenix dedicating stamps honoring the historic route’s 100 years as of this coming November.

Image showing rendering versus actual photo of a portion of the I-40/US93 interchange in Kingman

05/05/2026

Renderings vs. reality at I-40/US 93 interchange in Kingman

When ADOT commissioned a bird’s eye video rendering of the I-40/US 93 interchange project in Kingman, we never could have imagined there’d be an opportunity to see just how realistic the images would turn out when viewed from above.

Cars driving on a highway.

05/04/2026

Summer is almost here. It’s time to prep your vehicle for the heat

If you live in Arizona year-round, there’s one thing for certain: You cannot escape the summer heat. Sometimes, we can’t even escape summer-like temperatures in March. But, during Heat Awareness Week (May 4-8), ahead of the brunt of summer...

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12/15/2016

Using the Force to keep drivers safe

With “Rogue One: A Star Wars Story” premiering this week, motorists on Arizona’s highways will see Star Wars-themed safety messages on overhead signs.

12/14/2016

Timing is everything when it comes to improving traffic flow

ADOT and city of Phoenix engineers worked together to improve traffic signal timing and save drivers thousands of hours of travel time.

12/13/2016

With three specialty plates coming, more worthy causes will benefit

There are three new options coming to the dozens of specialty plates available through our Motor Vehicle Division.

Safety Corridor Next 4 Miles zero tolerance road sign

12/12/2016

Why there's zero tolerance for violations in new safety corridors

New signs along two stretches of highway designate Safety Corridors. See our video explaining this effort.

A tree decorated with colorful ornaments and tinsel stands on a rocky hill under a clear blue sky, with desert plants nearby.

12/09/2016

Highway holiday tradition continues on Interstate 17

Learn about a mystery involving the I-17 Mystery Tree, which is once again decked out for the holidays.

Snow alongside freeway

12/08/2016

Driving Safety Home: Your decisions are key with winter at hand

While ADOT works to keep our roads drivable and safe all season, the decisions everyone else makes are equally important.

Car being towed

12/07/2016

When you see flashing lights, “Move Over”

Today we've provided a refresher on the "Move Over" law and a preview of overhead highways you'll be seeing.

Operator monitors traffic signals remotely via computer

12/06/2016

Wireless technology allows remote traffic monitoring in Maricopa

A new communication system allows ADOT to remotely monitor and adjust traffic signals.

Blasting a mountain

12/05/2016

As these videos show, working for ADOT can be a real blast

We’ve said it all along: Working for ADOT can be a real blast. Check out videos illustrating this point.

12/04/2016

Where in AZ??

Our "Where in AZ" Facebook challenge continues this week with an unusually shaped structure.