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Adopt a Highway US 66 volunteers

10/22/2026

Volunteers turn out to clean Historic Route 66

See how volunteers got involved in tidying up State Route 66 just in time for the 100-year anniversary of its numerical designation back on Nov. 11, 1926.

2026_1013_motorcycle_Registration

10/14/2026

New Arizona law may impact motorcyclists in 2027

Arizona Revised Statute § 28-2014, updated last session, will require at least one of the registered owners of a motorcycle to have the motorcycle endorsement to legally operate a motorcycle on public roadways before the motorcycle registration can be renewed.

A digital highway sign that encourages drivers to move over.

10/14/2026

If you see flashing lights, it’s time to 'Move Over'

At ADOT, we’re no stranger to the risks of what can occur when motorists drive distracted or inattentively. Our maintenance crews and members of ADOT’s Incident Response Unit, sponsored by GEICO, have experienced near misses, crashes and...

Popular blog articles

A graphic of cars driving on a highway. The text urges drivers to slow down and avoid tailgating to prevent crashes.

08/17/2020

Rear-end crashes are the most common type of collision

The latest annual Arizona vehicle crash data tells us about the most common type of collision - and how some simply changes to driving behavior can help change that.

A broken concrete bridge with missing sections stands over dry, cracked ground and tall grass, with a hill and another bridge visible in the background.

08/13/2020

The triumph and folly of Antelope Bridge

Antelope Bridge is an early example of an Arizona project built with prison labor, but it couldn't overcome a poorly selected crossing site.

Construction workers in safety gear working on a bridge framework with metal supports and green hills behind.

08/12/2020

As piers rise from below, Pinto Creek project at halfway point

We are halfway through our project on US 60 at Pinto Creek. You may not have seen much now, but that will change as we move into the back half of the project.

08/11/2020

Join National CleanUp Day!

Calling all volunteers! National CleanUp Day is coming and we hope you'll participate through Adopt a Highway.

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.

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.