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

Rain storm near highway

07/26/2019

Bad weather day from 1917 reminds us to be prepared

On this date in 1917, some heavy weather took a toll on the Ajo Highway and in Flagstaff. It's as good a reason as any to talk about driving safely in bad weather.

I-17 at Camelback Road in 1966

07/25/2019

Throwback Thursday: A half century later

Can you pick out where this picture in the Valley was taken more than 50 years ago?

Image of first issue of Arizona Highways

07/25/2019

Throwback Thursday: Nearly a century ago, Arizona Highways was a little different

The first issue of Arizona Highways, published 98 years ago, was not the same as what you would expect today.

ADOT officer assists individual at event

07/24/2019

Enforcement and Compliance officers lend hand at Peoria homeless outreach event

Members of ADOT's Enforcement and Compliance Division recently volunteered their time at homeless outreach event in Peoria.

Aerial view of freeway

07/23/2019

From the Director: Accomplishing the 'to do' list

With fiscal year 2019 now behind us, ADOT Director John Halikowski talks about what the agency has crossed off it's to-do list.

Several vehicles drive up a divided highway overpass on a clear day, with streetlights lining both sides and a rocky median in the center.

07/22/2019

Independence for Maricopa drivers

Thanks to a new overpass that is part of a $55 million ADOT improvement project, drivers no longer have to wait for trains crossing SR 347.

Rebar reminiscent of meerkats standing on hind legs

07/19/2019

Art of Transportation: Metal meerkats

Our photographer was seeing meerkats at the project to expand Pinnacle Peak over Interstate 17.

Black and white image of Claypool Tunnel

07/18/2019

Throwback Thursday: Claypool Tunnel

If you feel like a hike, you can visit the original highway tunnel that connected Superior and Miami.

07/17/2019

They're keeping Arizona grand by adopting high country highways

Some Adopt a Highway volunteers enjoy the mountains while clearing roadside litter near their cabins.

Graphic discouraging illegal use of red-dyed diesel

07/16/2019

Help us stop illegal use of red-dyed diesel

Do you know what red-dyed diesel is? Because using it in a vehicle that will drive on the highway is a crime and you can help stop that.