ADOT Blog

Latest blog articles

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...

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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...

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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.

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Friday Five: Get to know the 'hero of the day'

Catch up on the latest happenings at ADOT in this week's #FridayFive.

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Semitrailer using State Route 189 in Nogales

06/21/2018

Why SR 189 improvements, truck safety training in Mexico make a difference for all

Funding all planned improvements along SR 189 in Nogales and creating a safety training program for trucking firms in Mexico both are aimed at boosting international trade and Arizona's economy.

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06/20/2018

Counting down to an upgraded State Route 88

Recent blasting to remove overhanging rock is just one part of a project improving 17 miles between Apache Junction and Tortilla Flat.

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06/19/2018

'Piering' toward the future of SR 347 in Maricopa

Drivers can't miss the first signs of an overpass that will carry commuters on SR 347 over the railroad tracks in Maricopa.

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06/18/2018

When a car catches fire on I-10, South Mountain Freeway crews come to the rescue

Praise poured into our social media accounts when we shared photos of fast action by crews building the South Mountain Freeway to extinguish a vehicle fire.

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Director Halikowski during a gemba walk at ECD

06/15/2018

Crawling under semis in the name of continuous improvement

ADOT Director John Halikowski spends a day learning about ADOT's Enforcement and Compliance Division as part of an effort to improve all aspects of the agency.

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Black and white photo of road paving machines working on Central Avenue

06/14/2018

Throwback Thursday: Paving Central Avenue atop the Papago Freeway tunnel

Downtown Phoenix looks dramatically different than it did 30 years ago, however you may still recognize a few landmarks.

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06/13/2018

Noted Phoenix architect got his start with Highway Department

Acclaimed midcentury Phoenix architect Fred Guirey along with J. Harold MacDowell designed the ADOT administration building at the southwest corner of Madison Street and 17th Avenue.

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