ADOT Blog | Department of Transportation

Latest blog articles

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.

Samaritans Adopt a Highway Volunteers

02/09/2026

All the Way to the Border cleanup sees 100 volunteers

Hospitality and community support fuel Melissa Owen's 11th annual cleanup to reduce trash along State Route 286.

02/06/2026

PODCAST: Loop 101 Pima improvements complete; pavement upgrade coming

Joe Heller, ADOT's resident engineer in charge of the recently completed Loop 101 (Pima Freeway) project, visits On the Road With ADOT to discuss this $108 million improvement and a coming project there to use diamond grinding to provide a smooth, durable driving surface.

Popular blog articles

Two parallel bridges span a river, one modern with smooth arches, the other older with intricate truss design.

04/07/2021

Original Salt River Bridge a 'beautiful piece of filigree'

What do you get when aesthetics meets a pressing transportation need? A beautiful strip of metal like the original Salt River Canyon bridge.

A graphic showing a scenic desert road with safety tips for day trips: bring water, snacks, medications, phone, wipes, and face covering.

04/06/2021

Prepare in advance for highway trips as we transition to warmer weather

Winter is in the rearview mirror, which means we go from advising people to be prepared for winter driving conditions to preparing people for summer driving conditions!

SR89 Adopt-a-Highway sign

04/05/2021

Adopt a Highway: Congress RVers keep SR 89 grand

Tucked away between Wickenburg and Congress Junction along State Route 89 is an unique community with a volunteer spirit that's hard to beat.

Bridge over a canyon

04/04/2021

Where in AZ?? 04/04/21

This image looks like it could be from the Grand Canyon. Can you identify this Arizona location?

Road sign of cow with a parachute.

04/02/2021

Ask ADOT: Flying cows

We recently fielded a question about whether parachuting cows is a pervasive problem in our state.

A smiling woman beside bold text: Distracted drivers terrify me. azdot.gov/terrify.

04/01/2021

Distracted Driving Awareness Month a yearly reminder to pay attention

It's April Fools Day, but we don't want you to be a fool on the road. Driving distracted is a leading factor in fatal crashes.

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.

03/31/2021

Zipper merge eases traffic - and your dilemmas

Does merging present a dilemma for you? Then let us introduce the zipper merge to help!

Emergency Repairs US 89 north of Flagstaff near Cameron

03/30/2021

ADOT begins permanent repairs to US 89 section that washed out in 2018

Flooding and heavy rain took our a section of US 89 near Cameron. Now, we're working to make permanent repairs to the damaged section of highway.

03/29/2021

Get creative with the ADOT Safety Message Contest

We're looking for unique safety messages from you again this year!

Welcome to Arizona roadside sign

03/28/2021

Where in AZ?? 03/28/21

It's one of the first signs you'll see once you hit our state, but do you know where this one is located?