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

Image of snow fence

01/28/2015

Transportation Defined: Snow Fence

Snow fences are used by ADOT to help prevent wind-blown snow or snowdrifts from accumulating on the roads.

A yellow excavator works beside a concrete barrier on a road in a rocky, mountainous area.

01/27/2015

I-15 Bridge 6 reconstruction update

It’s been a while since we checked in on the Virgin River Bridge No. 6 rehabilitation project that’s happening up in the far northwestern corner of the state, but as you can see crews have kept busy.

A maroon Ford SUV with equipment attached to the front is parked indoors with its driver door open. Text on the image reads Road Profiler: Calibration.

01/23/2015

Vehicles of ADOT: Profilometer

ADOT’s job doesn’t end once a road is built.

A graphic shows a gas pump labeled Red Dyed Diesel beside text: Not Red Diesel is Street Diesel on a gray background.

01/20/2015

Red diesel is not street diesel

Ever hear of something called red-dyed diesel fuel?

Black and white photo of a vintage station wagon taxi parked in front of a low building with bushes.

01/14/2015

From the Archives: Smooth Roads

Smooth roads are a top ADOT priority and they have been for some time, even back in 1968 when these photos were taken…

Black minivan enters a roundabout near a yield sign on a clear day with a desert background.

01/09/2015

Cameron roadway improvement project update

We’ve got an update for you today on a project we first told you about last summer.

Two traffic camera images show a snowy, curved road with trees on the sides. A vehicle is driving on the road under cloudy skies.

01/07/2015

Now that we've Sasquatch your attention...

ADOT has been in the news lately for a photo posted to our Twitter and Facebook sites.

A concrete tunnel entrance set into a rocky hillside, with lights lining the inside and a two-lane road leading into the tunnel.

12/23/2014

ADOT awarded million dollar grant for lighting project in US 60 Queen Creek Tunnel

An innovative project near Superior is set to improve visibility and reduce maintenance costs.

12/22/2014

ADOT is ready to support new Arizona governor

As we enter a new year and embrace the vision of a new governor, it is appropriate to take a look back and prepare ourselves for the future.

Image of snow plow with saying average cost of snowplow is $250000

12/19/2014

Know Snow: Winter driving stats

We’re wrapping up the week with a new video that shows off some winter driving season stats.