ADOT Blog | Department of Transportation

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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

Two workers in safety vests and helmets, one holding a rock sample, stand on a roadside with rocky hills in the background. Both are wearing face masks.

01/27/2021

Riprap and hydro-seeded mulch help keep SR 87 safe

Riprap and hydro-seeded mulch may not sound that interesting, but they are doing the important work of keeping drivers safe on State Route 87.

Cartoon of a worried passenger yelling Stop! as the smiling driver talks on the phone while driving a red car.

01/26/2021

Olivia Rodrigo has her ‘Drivers License.’ Do you?

What can a top single on the Billboard Hot 100 teach us about driving? Well, let us tell you!

Aerial view of Houghton Road

01/25/2021

In Tucson, a wider Houghton Road bridge starts coming into view

The Houghton Road interchange project at I-10 near Tucson has been in the works for awhile, but this photo will help you get a sense of the scope of the project.

ADOT Geologist Studies the earth rocks on-site

01/22/2021

ADOT geologist studies how to keep rocks from the highways

James Lemmon's job at ADOT rocks. Literally, it's all about rocks.

Several cars drive on a snow-covered road during snowfall, with light snow accumulation visible on the ground, trees, and buildings.

01/21/2021

If you’re planning on playing in the snow, leave prepared

If you are heading north to play in the snow, remember to take along warm clothes, emergency gear, a travel plan and some patience.

US 180 with forest and mountains in the background

01/20/2021

Will the real US 180 please stand up?

Where is the real US 180, near Flagstaff or St. Johns or Alpine? The answer is actually all three.

SR 286 near Sasabe freeway and mountains

01/19/2021

Adopt a Highway: Annual SR 286 cleanup will look different, but keep same passion

For the past five years Melissa Owen has brought together a horde of volunteers to realize her Adopt a Highway dream.

Several vehicles are parked at the Stoneman Lake Road interchange with I-17 and people are standing around in the snow at the roadside.

01/18/2021

Your winter reminder: Please don't park on highway shoulders

Winter and snowy weather is upon us, so it's time again to talk about how to be safe when visiting our state's winter wonderlands.

Abstract purple snake with an oval-patterned body and a triangular face on a plain background.

01/15/2021

Rattlesnake image greets Cave Creek Road motorists

A recent inquiry from a motorist prompted a blog explaining the artwork on the Loop 101 project.

Black and white historic image of a vehicle on Route 66

01/14/2021

Throwback Thursday: The way US 66 was

This photo of a stunning view led us to a small footnote in the history of US 66 in northern Arizona.