ADOT Blog | Department of Transportation

Latest blog articles

Loop 303 project

08/07/2026

Big freeway construction project is in its early stages south of I-10 in Goodyear

The opening of a well-known travel center featuring a beaver mascot in Goodyear made a lot more news this summer than the start of ADOT’s latest freeway construction project, also in that West Valley city. The project to extend Loop 303...

Close-up view of textured grooves on a concrete road surface, with blurred vehicles and highway scenery in the background under a partly cloudy sky.

08/05/2026

What is diamond grinding?

You may have heard that diamond grinding is currently being used on the SR 51, I-10 to Shea Blvd pavement project and the pavement improvement projects on the Loop 101 Agua Fria and Pima freeways. But what does that actually mean? Diamond...

AAH volunteer group

08/05/2026

Route 66 Centennial cleanup

Join us for a special cleanup along a stretch of Arizona’s legendary Route 66 also known as the Mother Road, Main Street of America and the Will Rogers Highway.

Popular blog articles

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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.