ADOT Blog | Department of Transportation

Latest blog articles

07/05/2026

PODCAST: I-10 widening project keeps advancing south of the Valley

In this episode of On the Road With ADOT, Marcy McMacken, our lead communicator on the project, talks with guest host Laura Douglas about what drivers will see as we continue creating a wider Interstate 10 between the Valley and Casa Grande.

A digital message board on the highway encourages motorists to drive sober.

07/02/2026

Sparklers, not drivers, should be lit over July 4 weekend

Independence Day is just around the corner, and we want to take a moment and remind Arizonans that sparklers, not drivers, should be “lit” during the holiday celebrations. If you’re driving on state highways this holiday weekend, you may...

4 years of MVD Community Connections

07/01/2026

MVD Community Connections enters year 5 of giving back

The Arizona Department of Transportation Motor Vehicle Division charitable team known as MVD Community Connections began the fifth year of giving back to Arizona communities.

Popular blog articles

An officer signals a white semi-truck to enter an inspection bay.

04/25/2017

Providing an inside look at how ADOT inspects commercial vehicles for safety

New ADOT program aims to reduce commercial vehicle wait times at the international border and will help Mexican trucking firms better understand and prepare for safety inspections.

Pre-fab bridge under construction

04/24/2017

Arizona's first pre-fab bridge saves $2.6 million

Check out a video showing Arizona's first prefabricated bridge going up in less than four days.

04/23/2017

Where in AZ??

Our weekly "Where in AZ??" challenge includes a unique hint in the foreground of the photo.

04/21/2017

Art of Transportation: It's a dirty job

If there's one job most can agree is dirty, road construction is usually it. Today's Art of Transportation photo highlights this.

Diagram showing cars using a zipper merge at a lane closure, with traffic cones blocking one lane and vehicles alternating to merge into the open lane.

04/20/2017

Zipper merge: In the right situations, two lanes can be better than one

The zipper merge is simple technique used when two lanes reduce to one and it'll soon be implemented on Interstate 10 in western Arizona.

04/19/2017

Coming Friday: Winners of ADOT’s Safety Message Contest

The winners of the ADOT Safety Message Contest will revealed on Friday!

Sun-shielding netting on transplanted saguaros along a freeway

04/17/2017

'Sunscreen' spares transplanted saguaros from sunburn

If you've noticed black netting on some saguaros transplanted along the Loop 101 Pima Freeway, here's an explanation.

04/16/2017

Where in AZ??

Join us our Facebook trivia challenge and tell us "Where in AZ??" this photo was taken.

04/14/2017

Art of Transportation: Hoover Dam

The Art of Transportation gives you a lesser-photographed view of Hoover Dam.

04/13/2017

Throwback Thursday: First Arizona license plates

We're taking a look back at Arizona's first license plates and how plates have changed over the years.