ADOT Blog | Department of Transportation

Latest blog articles

Volunteer placing trash in ADOT bag

03/17/2026

Get involved: Join us for an Earth Day litter clean-up

Adopt a Highway volunteer groups and others are invited to help tidy up along state highways for Earth Day. Whether you are a seasoned volunteer or just looking to make a difference, your participation makes a measurable impact toward reducing roadside litter.

Sprayer applies fog seal to highway.

03/15/2026

PODCAST: One key way that ADOT extends the life of highway pavement

This week’s episode of On the Road With ADOT features two of our many team members involved in preserving Arizona’s vast investment in state highways and the use of fog seals to extend pavement life.

A digital message board on the highway encourages motorists to designate a driver.

03/14/2026

Don’t leave it up to luck: Designate a driver this St. Patrick’s Day

With St. Patrick’s Day around the corner, we want to take a moment and remind everyone to plan ahead so you get home safely after the festivities. If you’re out on state highways this weekend, you may notice some of our overhead message...

Popular blog articles

A large bulldozer faces two massive boulders blocking a dirt road under a clear blue sky. The boulders appear to have fallen onto the road, obstructing passage.

08/10/2020

Five years ago we were boulder busting on US 89A

Five years ago a monsoon storm dumped mud and boulders along US 89A. That's when we got to work.

A bingo card titled #ADOTKids Road Trip Bingo! showing 25 different Arizona specialty license plate designs in a 5x5 grid.

08/07/2020

ADOT Kids Travel Bingo

We've created bingo cards filled with highway signs, traffic signs, specialty license plates and other things that you may spot on an Arizona road trip. Pack these cards on your next car trip for some family fun and we hope it can help keep...

08/07/2020

Adopt a Highway: Decades of volunteerism in the White Mountains

About 50 Heber-Overgaard community members helped clean a dozen miles of highway shoulders this month.

Black and white photo of rocky hill

08/06/2020

Throwback Thursday: The rocky road to Prescott

Going uphill has always been part of driving north in Arizona. And that means steep hills and occasionally rocks, like in this photo from the 1930s.

08/05/2020

Everything now in place for the Fourth Street bridge project

Our project on the Fourth Street bridge over Interstate 40 is one of those times when things just seem to slide into place.

Old and new Pinto Creek Bridges

08/04/2020

Catching up on our US 60 at Pinto Creek project

See for yourself how things are progressing on US 60 at Pinto Creek.

08/03/2020

Why are US 93 mileposts in backward order?

US 93 has a surprising quirk: Its milepost numbers get higher as you head south. Why the highway is like that is a tricky question to answer.

A man guides a team of six mules pulling a plow across a sandy field, with another team and workers visible in the background under a bright sky.

07/31/2020

Flashback Friday: Mule crews

Here's a photo that reminds us why we are happy working in these mechanized times.

Large equipment being used to construct overpass

07/30/2020

Throwback Thursday: A balanced approach

More than 20 years ago, ADOT did a careful balancing act of widening State Route 87.

07/29/2020

Turning back the pages on Carefree Highway's top 10 hit

Did you know there's a connection between an Arizona highway and Canadian folk singer Gordon Lightfoot?