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

01/05/2018

Continuous Improvement: Repurposing spare tires saves time, money

ADOT's culture of continuous improvement looks has employees looking for cost savings everywhere, including the trunk of old vehicles.

01/04/2018

From the Archives: Aerial view of Interstate 19

We're taking it back to the mid-60s today and construction of the only highway in the country still using the metric system.

01/03/2018

On Alert: ADOT maintenance crews on call and ready to respond

ADOT crews that fix guardrails and fill potholes also assist whenever they are needed on traffic incidents.

01/02/2018

After pavement sealing, an employee invention helps reopen freeway sooner

An ADOT innovation gets drivers back on the freeway faster after a maintenance closure.

01/01/2018

2018 will be a big year for Pinal County improvement projects

Come January, our focus will be on Pinal County in a big way.

12/31/2017

Where in AZ??

We have one last "Where in AZ??" challenge before the year ends!

12/29/2017

Plan ahead for New Year’s Eve revelry

Make plans now for your sober ride home on New Year's Eve.

12/28/2017

South Mountain Freeway: What a difference a year makes

Photos help tell the story of a freeway that will bring traffic relief when it opens by late 2019.

12/27/2017

Vote for your favorite 2017 safety messages

It's time to reflect on the past year. Today we're looking back at the safety messages we shared in 2017.

12/27/2017

ADOT’s Grand Canyon National Park Airport marks half century of state operation

Located in Tusayan, the airport is essential to Arizona's signature attraction and the state economy.