ADOT Blog

Latest blog articles

08/10/2026

Forever linked: The I-10 tunnel and Hance Park have different birthdays

While the I-10 Deck Park Tunnel turns 36, younger "sibling" Margaret T. Hance Park maintains its place as a space for the community to gather.

LEARN MORE

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...

LEARN MORE

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...

LEARN MORE

On the road: A visit to Canyon Diablo Bridge

A bridge along historic Route 66 is a great early example of vehicular bridges in our state.

LEARN MORE

Black and white image of I-10 and overpass

03/28/2019

Throwback Thursday: A rural highway?

Interstate 10 Broadway Curve: Interstate 17 (Split) to Loop 202 (Santan Freeway)Do you recognize this stretch of highway from 1972? The answer might surprise you.

LEARN MORE

03/27/2019

Driving Safety Home: National Work Zone Awareness Week is coming

National Work Zone Awareness Week is almost upon us once again, and this year’s theme is “Drive Like You Work Here.”

LEARN MORE

Worker uses printing machine in ADOT sign shop

03/26/2019

STOP for a minute to learn about ADOT's sign shop

Ever wonder where our freeway signs come from and how they are made? The answer to both those questions lie within our sign shop.

LEARN MORE

Traffic camera view of two cars traveling on a multi-lane highway; one white car in the lane, one darker car with flags on the shoulder. A ladder appears to be caught on the dark car's hood.

03/25/2019

Ladder in the road? Here are some steps you can take

We see too many objects end up on our freeways. Here's how you can help with that.

LEARN MORE

overhead view of in progress bridge construction

03/22/2019

A bridge toward completing our SR 347 upgrade in Maricopa

A deck pour scheduled for late next week represents a major step toward completing an overpass spanning the railroad tracks in the heart of a growing city.

LEARN MORE