ADOT Blog | Department of Transportation

Latest blog articles

Aerial view of Hance Park.

08/10/2026

Forever linked: The I-10 tunnel and Hance Park have different birthdays

While the I-10 Deck Park Tunnel turns 36, younger "sibling" Margaret T. Hance Park maintains its place as a space for the community to gather.

Loop 303 project

08/07/2026

Big freeway construction project is in its early stages south of I-10 in Goodyear

The opening of a well-known travel center featuring a beaver mascot in Goodyear made a lot more news this summer than the start of ADOT’s latest freeway construction project, also in that West Valley city. The project to extend Loop 303...

Close-up view of textured grooves on a concrete road surface, with blurred vehicles and highway scenery in the background under a partly cloudy sky.

08/05/2026

What is diamond grinding?

You may have heard that diamond grinding is currently being used on the SR 51, I-10 to Shea Blvd pavement project and the pavement improvement projects on the Loop 101 Agua Fria and Pima freeways. But what does that actually mean? Diamond...

Popular blog articles

Aerial view of a large roundabout with four roads in a desert landscape.

09/20/2021

Poor, misunderstood roundabouts

The studies are in, and the evidence is clear: Roundabouts are safer than traditional intersections with stop lights. They've caught on in Europe, but America is slower to embrace them.

Interchange view from above.

09/17/2021

Art of Transportation: Interchange beauty from above

A drone view from above turns a freeway image into something to be admired.

09/16/2021

Adopt a Highway: Share your volunteerism on social media

National CleanUp Day is almost here. Be sure to let your friends and family know you're volunteering!

Grid of nine Arizona specialty license plate designs, each with a label, representing organizations and causes such as sports teams, education, and health awareness.

09/14/2021

Most popular specialty plates of 2021

Was your favorite specialty license plate one of the most popular plates?

Freshly paved section of Highway 95 in Western Arizona

09/13/2021

A tale of two 95s

One road. Two designations. A fascinating look at US/SR 95.

09/10/2021

Join Adopt a Highway on National CleanUp Day

National CleanUp Day is just around the corner. Now is the time to register!

Cartoon graphic showing car with buying tips around it and areas to look for

09/09/2021

When inspecting a vehicle, walk away from the deal if it doesn't smell right

We have a different type of hurricane warning for used car buyers.

IRU picking up debris.

09/08/2021

Be responsible -- secure your loads and don’t litter

ADOT Director Halikowski explains how debris is a safety issue for everyone on the road.

Stretch of rural Arizona highway

09/07/2021

Don’t “fall” into road trip complacency as autumn arrives

If you have a fall road trip in the works, make sure you read today's blog post.

Airplanes taking of at night with streams of light visible

09/02/2021

Art of Transportation: Let's fly away

What has one our intrepid ADOT photographers captured? Learn about why these streaks of light have us up in the air!