ADOT Blog | Department of Transportation

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A roadway with two low-clearance underpasses, bordered by a sidewalk and a fence, stretches into the distance under a bright, clear sky.

07/30/2024

This Phoenix street was once part of transcontinental highway US 80

The 17th Avenue Underpass near downtown Phoenix was once part of a major transcontinental highway.

US 80

07/26/2024

Gone but not forgotten: The history of US 80

We recently stumbled upon this photo from 1974 of US 80 in Douglas. Originally called the “Mother of Arizona Highways” because of its economic impacts to cities and towns it passed through, US 80 was completely paved or surfaced with oil by...

Safety Message: Seatbelts always pass the vibe check

07/24/2024

PODCAST: Your safety message can be in lights!

On the Road With ADOT has Public Information Officer Kelsey Mo discussing what makes for a strong safety message and why ADOT holds its annual Safety Message Contest for the traveling public. Get the inside information you need to succeed.

Popular blog articles

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.

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.

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.

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!

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.

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.

04/02/2018

Widening I-10: Getting our grub on

Grubbing. Yeah, it's a real word. We looked it up. ADOT will be grubbing along I-10 in preparation for new lanes.