ADOT Blog | Department of Transportation

Latest blog articles

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...

AAH volunteer group

08/05/2026

Route 66 Centennial cleanup

Join us for a special cleanup along a stretch of Arizona’s legendary Route 66 also known as the Mother Road, Main Street of America and the Will Rogers Highway.

Popular blog articles

Red Burma-Shave sign stands in a dry, open landscape under a partly cloudy sky.

03/09/2021

Like our signs? Then you'll love the original highway message masters

On your drive / visit SR 66 / to find and read / the original / highway sign masters: Burma-Shave

Road trip safety graphic

03/08/2021

Driving Safety Home: How to prepare for your next road trip

Spring break is looking different this year, but if it involves a road trip at all, remember to keep these tips in mind.

03/05/2021

Two Guns bridge connects outlaw past to new engineering

As we build new bridges along I-40 at Two Guns, we are connecting more than two pieces of roadway.

Black and white image of a sign that reads "Turn off 2-way radio"

03/04/2021

Throwback Thursday: One signal at a time!

We are throwing back to what the 70s can still teach us about construction zone safety

Workers in safety gear perform maintenance in a tunnel using a lift and yellow trucks, with traffic lanes closed and overhead lights illuminated.

03/03/2021

Lighting the way. ADOT converting I-10 Deck Park Tunnel’s lights to LED

Things are looking a little brighter when it comes to the I-10 Deck Park Tunnel.

03/02/2021

Second half kickoff for construction of new I-17 bridge at Central Avenue

Half time's over! Crews kick off second half of the I-17 Central Avenue bridge project.

Historic photo shows female ADOT employee working with project drawing

03/01/2021

Celebrating women in transportation and at ADOT

For Women's History Month we talked with several women at ADOT about how they entered into a career in transportation.

New divergijng diamond interchange at I-17 and Happy Valley Road

02/26/2021

Shoutout to the engineers who make transportation happen

As National Engineers Week wraps up, we just want to say thank you to myriad of engineers working in transportation.

Aerial view of freeway

02/22/2021

From the Director: Inspiring wonder in transportation projects across the state

It's Engineers Week and ADOT Director John Halikowski is saying a big thank you for all that engineers do for the agency.

A weathered metal truss bridge the Leslie Creek Bridge spans a dry, brush-filled ravine with barren trees and distant hills under a cloudy sky.

02/19/2021

Leslie Creek bridge sits on the edge of the state and history

This bridge in Cochise County may not look like it has a lot to do with ADOT, but it's an example of a changing time in the world of infrastructure.