ADOT Blog | Department of Transportation

Latest blog articles

01/18/2026

PODCAST: The partnership driving Phoenix-area freeway improvements

The Maricopa Association of Governments' Chief Transportation Officer returns in this week's episode to discuss how Proposition 400 has shaped the region's sucess through projects such as the recently completed I-10 Broadway Curve improvement, the Loop 202 (South Mountain Freeway), Loop 303 (Estrella Freeway) and State Route 24 (Gateway Freeway).

The top 10 Specialty Plates 2025.

01/16/2026

The 10 most popular specialty license plates in Arizona for 2025

Whether a driver wants to support a cause, rep their team or just add a pop of color to their car, with 109 specialty license plates available in Arizona, there’s a little something for everyone. And specialty license plates are more...

New striping at northbound I-17 exit to Loop 303

01/15/2026

MAG partnership helps ADOT make quick freeway improvements in Valley

A much-needed second lane at the northbound I-17 exit to Loop 303 results from funding flexibility provided by the Maricopa Association of Governments, the Phoenix area's regional transportation planning agency.

Popular blog articles

State Capitol dome in orange light

04/13/2018

#FridayFive: We're talkin' dust storms, construction milestones and Voluntary Travel ID

We're counting down some of the biggest news for Arizona motorists in our Friday Five blog.

Road construction workers operate paving machinery to lay new asphalt on a highway, with traffic passing by and trees lining the road under a partly cloudy sky.

04/12/2018

With spring in the air, ADOT crews are out in the high country

Planning to hit the road this spring or summer? Make sure you do you homework by visiting az511.gov to learn about any projects and restrictions in Arizona's high country.

Image of Mule Pass Tunnel

04/11/2018

Mule Pass Tunnel has eased trip to-from Bisbee for 60 years

Completed 60 years ago, Mule Pass Tunnel cost the state $2 million. That's the equivalent of $17.2 million today.

Arizona State Capitol

04/10/2018

From the Director: Work zone safety is our responsibility

Work zone safety means something extra to us at ADOT.

04/09/2018

Clean freaks and neatniks wanted: Help keep AZ beautiful by joining Adopt a Highway

Adopt a Highway volunteers made big splash in 2017, but we could use even more help.

04/08/2018

Where in AZ??

Our "Where in AZ??" challenge features a more unusual roadside attraction.

Motorcycles on the road

04/06/2018

Look twice for motorcycles in April

As temperatures begin to rise, expect to look twice for motorcycles on the road.

04/05/2018

Throwback Thursday: In Flagstaff of 1966, parking was no sport

Boy, the cars took up more space. Men had crew cuts instead of fades. Birch Avenue just went one way. Those were the days!

First Bridge Opening on the South Mountain Freeway Loop 202 construction

04/04/2018

ADOT hits milestone for South Mountain Freeway construction

In a major milestone, ADOT completes first bridge spanning the future Loop 202 South Mountain Freeway.

I-40 Paving Roller

04/03/2018

Smoother highways coming to northern Arizona this year

ADOT is repaving or rebuilding more than 180 miles of Arizona's highways starting in April.