ADOT Blog | Department of Transportation

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

02/13/2026

Be a sweetheart and don’t cause mayhem on the roads over Valentine’s Day weekend

Two big events are happening this weekend: Valentine’s Day and Lady Gaga being in Glendale for the Mayhem Ball tour. We hope you’ve made plans with your sweetheart for dinner, or maybe you’ve secured tickets to see Mother Monster perform —...

Volunteer picking up trash on SR 74

02/11/2026

Volunteers throw shade on trash

Volunteers tidied up a section of State Route 74 in north Phoenix, for the community and groundhogs alike.

A concrete bridge with large support beams spans a deep red rock canyon under a cloudy sky.

02/10/2026

Waterhole Canyon Bridge is out-of-this-world

An odd-looking bridge in Northern Arizona is a gateway to some of Arizona's most spectacular scenery.

Popular blog articles

Illustration of infrastructure with a bridge, road, and city skyline, and the text INFRA CONNECTING AMERICA.

07/26/2019

An INFRA-red-letter day for improving Interstate 17

The Federal Highway Administration is awarding Arizona a $90 million grant to help boost capacity and safety just north of Phoenix.

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.

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.

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?

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.

07/21/2019

Where in AZ??

Our "Where in AZ??" challenge continues this week. Join us on social media to participate!

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.