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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What goes into a highway? A bridge? Ask a materials engineer

Materials engineers evaluate everything from the rocks that go into cement to the reflective beads used in paints that stripe roadways to the bolts that help hold bridges together.

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02/21/2018

Getting all green lights? Thank a traffic engineer

Traffic engineers explain how they keep vehicles moving and the new technology that is ahead.

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02/21/2018

From the Director: ADOT’s Safety Message Contest Returns

It was so popular last year that we're bringing it back again this year! The ADOT Safety Message Contest launches today.

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A construction worker in a yellow safety vest and hard hat stands at a building site with cranes, vehicles, and an overpass structure in the background.

02/20/2018

Resident engineers keep ADOT projects on track

As a resident engineer, Kole Dea is responsible for administering construction projects and ensuring that every ADOT contractor follows engineering plans precisely.

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